Crossing Paths in San Francisco’s North Beach: Weston, Rivera, Kahlo, Pflueger and Stackpole

Proof prints depicting Diego Rivera (left) and Timothy L. Pflueger sitting on a bench in the outdoor studio of sculptor Ralph Stackpole in San Francisco, taken by Edward Weston.
Unfixed proof prints, each depicting Diego Rivera (left) and Timothy L. Pflueger, taken by Edward Weston at the outdoor studio of sculptor Ralph Stackpole in San Francisco on December 14, 1930. From Edward Weston Portraits from the Timothy L. Pflueger Papers (BANC PIC 2013.119).

On December 14, 1930 the photographer Edward Weston, then based in Carmel-by-the-Sea, drove to San Francisco to take portraits of a few clients, including the prominent architect Timothy L. Pflueger, who was then overseeing his firm’s remodel of the San Francisco Stock Exchange Building in the city’s financial district. The sitting with Pflueger took place at the North Beach studio of sculptor Ralph Stackpole, whose massive figurative pieces were commissioned by Pflueger to adorn the facade of the Exchange. Coincidentally residing with Stackpole at the time was Mexican artist Diego Rivera — also commissioned by Pflueger, to create a mural inside the Exchange. Accompanying Rivera was his young wife, the artist Frida Kahlo, who was early in her career and not yet known outside of Mexico. Weston was already acquainted with Rivera after having worked for a spell in Mexico City, where he befriended the artist and took his portrait in the mid-1920s. The crossing of paths of these creative luminaries at Stackpole’s studio is richly documented in Weston’s daybook entry for this date. (See The Daybooks of Edward Weston, vol. 2, pages 198-199; published by Aperture in 1973.)

The Pictorial unit of The Bancroft Library’s archival processing team is pleased to announce that some of the portraits taken by Weston at this sitting have been recently processed and are now available for access (described in the library catalog under the call number BANC PIC 2013.119). Separated and transferred from the Timothy L. Pflueger Papers of our Manuscripts unit (BANC MSS 2012/182), the collection of Weston materials includes a letter written by the photographer and a selection of small-format proof prints offered to the architect so that he could choose the images he preferred for final printing. Among the thirteen prints in the collection, eleven of them depict Pflueger in various shoulder-length poses, while two images depict the architect informally sitting on a bench with Rivera. Stackpole is not depicted, but evidence of his open-air studio is present in the natural light reflected on the subjects’ faces and some of the objects captured in the shots of the architect and muralist seated together. Although Weston took separate portraits of Rivera and Kahlo at this same encounter, these images are not present in the material sent to Pflueger.

Weston’s letter to Pflueger, written by hand on the photographer’s studio stationery, refers to the specific images from the sitting that he feels were best, yet also admits to his being unsatisfied with the overall results and offers the architect the option of a second sitting. The collection also includes Weston’s original envelope in which the letter and prints were sent, the wrapping materials in which Weston enclosed the prints, and Pflueger’s annotated file envelope in which the material had been saved.

Manuscript material pertaining to Edward Weston's correspondence with Timothy L. Pflueger.
Front page of letter from Edward Weston to Timothy L. Pflueger, written December 15, 1930; with the original postmarked envelope and Pflueger’s file envelope in which the letter and associated photographic prints were stored. From Edward Weston Portraits from the Timothy L. Pflueger Papers (BANC PIC 2013.119).

The proof prints that Weston sent to Pflueger were unfixed — i.e. after being exposed to the negative and placed in a bath of developer, the prints did not undergo a subsequent chemical bath which would have “fixed” the development of the images at a given point. The images therefore continued to gradually develop and are, in their current state, predictably faded and darkly discolored. The practice of not fixing such proof prints was common among 20th century portrait photographers whose work involved traditional gelatin silver “black & white” processes. In addition to serving as quickly produced reference images for both photographer and client, the inferior-quality prints also helped to ensure that the proofs sent to clients for final selection would have minimal resale value — an obvious concern for prominent photographers whose works were collected on the market.

Some of the prints in the collection display additional deterioration as a result of having been stored in direct contact with the chemically harmful foil and acidic paper in which they were wrapped for decades prior to their arrival in the library. On the backs of the prints are pencil-written annotations by Weston, including numbers that indicate the sequence of poses he photographed. On the back of one print Weston’s initials indicate an image which he considered to be among the most suitable for final printing.

Portraits of Timothy L. Pflueger.
Unfixed proof prints depicting San Francisco architect Timothy L. Pflueger, taken by Edward Weston at the North Beach studio of Ralph Stackpole on December 14, 1930. While both were stored in the same stack of prints likely for decades, the print on the left has undergone additional deterioration after prolonged immediate contact with acidic wrapping materials, and/or other detrimental environments. From Edward Weston Portraits from the Timothy L. Pflueger Papers (BANC PIC 2013.119).

To ensure safe access by researchers, the prints have been individually enclosed in polyester sleeves that prevent any unfixed chemical residue from migrating during their handling. As a safeguard against long-term damage caused by exposure to light, each print is additionally housed in a paper sleeve. Each of the components of the collection is housed in a separate folder, and all are stored together in a single box.

The Bancroft is excited to make this material accessible for a number of reasons, the most obvious being its evidentiary connection to a moment in time when Weston, Pflueger, Rivera, Kahlo and Stackpole came together for a professionally and socially satisfying gathering, one documented for posterity by the photographer in both word and image. Weston’s distinct large handwriting is impressive to behold in person, as are the pieces of stationery which conveyed the contents from photographer to architect. Perhaps the collection’s most enduring value lies in its glimpses of Weston’s working methods, his relations with his clients, and his openly frank assessment of the quality of his work.

To more broadly illustrate the context of the collection, we have supplemented the original material with printouts of high-quality scans of contact prints made from Weston’s original negatives taken at Stackpole’s studio on that day. Compared to the proofs in the Pflueger papers, these clear, sharp images depict the full range of portraits of Pflueger, and additional shots of Rivera, including one depicting him with Kahlo. We’ve also included a copy of the pages in Weston’s original daybook entry that describe the photographer’s various appointments and observations of that day, most of it expressing his affectionate reunion with Rivera, his first impressions of Kahlo, and the group’s dinner outing in North Beach that followed the sitting. These supplemental materials were kindly shared by the Center for Creative Photography of the University of Arizona, Tucson, where Edward Weston’s archive is held.

Diego Rivera (left) and Timothy L. Pflueger sitting on bench in San Francisco studio of sculptor Ralph Stackpole.
Contact print of an Edward Weston portrait of Diego Rivera (left) and Timothy L. Pflueger, taken at the San Francisco studio of Ralph Stackpole on December 14, 1930. (Courtesy of Center for Creative Photography, University of Arizona, Tucson.)
Frida Kahlo (left) and Diego Rivera, at the San Francisco studio of sculptor Ralph Stackpole.
Contact print of an Edward Weston portrait of Frida Kahlo (left) and Diego Rivera, taken at the San Francisco studio of Ralph Stackpole on December 14, 1930. (Courtesy of Center for Creative Photography, University of Arizona, Tucson.)

Among the Pflueger papers are other photographs of Rivera and Kahlo – not taken by Weston – including two snapshots which may depict the couple during one of their stays in San Francisco. These can be found in BANC MSS 2012/182, carton 33.

Artists Diego Rivera and Frida Kahlo standing on a balcony.
Frida Kahlo, with Diego Rivera in image at left, on sunlit balcony, unidentified location. From the Timothy L. Pflueger Papers (BANC MSS 2012/182, carton 33).

Of related interest, Bancroft’s holdings of the San Francisco News-Call Bulletin Photograph Archive include original glass negatives of studio portraits of Rivera, Kahlo and Stackpole taken at a single sitting. The photographer, location and exact date of these portraits are unknown, but they were undoubtedly taken during the couple’s same stay in San Francisco, between late 1930 and mid-1931, when Weston visited them for the Pflueger sitting. These portraits are found in BANC PIC 1959.010–NEG pt. 1, box 3135 (items 37390 and 37391) and box 3136 (items 37404 and 37405).

Mural artist Diego Rivera (left) and sculptor Ralph Stackpole, taken during a studio portrait sitting.
Diego Rivera (left) and Ralph Stackpole, 1930 or 1931. Photographer unknown. From the San Francisco News-Call Bulletin Photograph Archive (BANC PIC 1959.010–NEG pt.1, box 3136, item 37405).
Studio portrait of artists Diego Rivera and Frida Kahlo.
Diego Rivera (left) and Frida Kahlo, 1930 or 1931. Photographer unknown. From the San Francisco News-Call Bulletin Photograph Archive (BANC PIC 1959.010–NEG pt.1, box 3135, item 37390).

Chris McDonald
Processing Archivist, Pictorial Unit
Technical Services
The Bancroft Library

 


UC Berkeley’s Cuban Studies Working Group: Conversation with Dr. Katherine Gordy, Professor of Political Science at San Francisco State University

All are invited to attend the Cuban Studies Working Group’s conversation with Dr. Katherine Gordy, Professor of Political Science at San Francisco State University, which will take place tomorrow, November 7, 2025, at 11 am in Dwinelle 5125 (Level E)

RSVP Here: Lunch will be provided!

Katherine Gordy is an accomplished author and editor in the field of political science. Her published works include the single-authored book Living Ideology in Cuba: Socialism in Principle and Practice (2015) and the co-edited volume Globalizing Political Theory (2023).
Gordy’s research spans Latin American political thought, Cuban socialism, imperialism, and Marxism, with articles published in notable journals such as PolityPublic CulturePostcolonial StudiesAlternatives: Global, Local and Political, and Viewpoint Magazine, as well as various edited collections.
Currently, she is engaged in a research project exploring empirical imaginaries and historical relativism as present in the works of two prominent Latin American Marxist thinkers: the Peruvian José Carlos Mariátegui and the Cuban Walterio Carbonell.
Please join the Cuban Studies Working Group on Friday, November 7th at 11am in the Spanish and Portuguese Library (Dwinelle 5125) for a lecture and lunch gathering with Dr. Katherine Gordy, Professor of Political Science at San Francisco State University. 

Katherine is the author of Living Ideology in Cuba: Socialism in Principle and Practice (2015) and co-editor of Globalizing Political Theory (2023). Her work on Latin American political thought, Cuban socialism, imperialism, and Marxism has appeared in Polity, Public Culture, Postcolonial Studies, Alternatives: Global, Local and Political, and Viewpoint Magazine, and in various edited volumes. She is currently working on a project on empirical imaginaries and historical relativism in the work of Peruvian Marxist Jose Carlos Mariátegui and Cuban Marxist Walterio Carbonell.

Speaker: Katherine Gordy, Professor of Political Science, San Francisco State University
A Conversation with Katherine Gordy

Sponsor: Townsend Center


Today at the Law School: Estado de Silencio / State of Silence: Film Screening and Panel

Film Screening & Discussion: “State of Silence
Date & Time: Wednesday, November 5, 2025, 4:30 PM – 6:30 PM

Estado de Silencio Film Title
The title of a film is “Estado de Silencio” (The State of Silence).

State of Silence/Estado de Silencio” delves into the challenges facing press freedom in Mexico, chronicling the dangerous work of four journalists as they uncover the ties between organized crime and government corruption. Through their eyes, the documentary reveals the obstacles and risks they face in breaking the silence around systemic abuse and violence. A panel discussion and audience Q&A with will follow the screening:

RSVP here


Faculty Book Talk at Townsend Center: November 5, 2025

A page from faculty member Nathaniel Wolfson's book Concrete Encoded.
A page from faculty member Nathaniel Wolfson’s book Concrete Encoded.

Concrete Encoded: Poetry, Design, and the Cybernetic Imaginary in Brazil

Nathaniel Wolfson
Berkeley Book Chats
Wednesday, Nov 5, 2025 12:00 pm – 1:00 pm

Registration Requested

Concrete art and poetry—a radical avant-garde movement where the visual and spatial arrangement of words on the page carries as much weight as their literal meaning—emerged in Brazil during the 1950s, a time of rapid and transformative modernization. Professor Nathaniel Wolfson (Spanish & Portuguese) challenges the notion that concretism was socially passive, as some scholars have claimed. Instead, he presents it as the defining literary genre of the early information age.

Concrete Encoded: Poetry, Design, and the Cybernetic Imaginary in Brazil (Texas, 2025) examines how Brazilian poets, artists, and designers engaged with the rise of digital capitalism, forging a distinct cybernetic vision. Wolfson’s study reinterprets concretism—not just as Brazil’s most internationally influential artistic movement, but as a network connecting both prominent and overlooked figures. By mapping these creative exchanges, the book reveals broader, transnational conversations about technology and its critical possibilities.


Dia de los muertos in the East Bay

Día de los Muertos and UC Berkeley Library Collections

Día de los Muertos (Day of the Dead) is an essential Mexican holiday, primarily celebrated on November 1st and 2nd. It is a time for families and friends to gather, pray for, and remember loved ones who have died. The celebration is vibrant, focusing on life and remembrance, rather than mourning. Key traditions include creating ofrendas (altars) decorated with marigolds (cempasúchil), favorite foods and drinks of the departed, candles, and colorful sugar skulls (calaveras).

In the pantheon of the late nineteenth- and early twentieth-century artists who represent Mexico and Mexican art, the artwork of José Guadalupe Posada stands out as a bright constellation that continues to shine a light on important stories through woodcuts, imprints, and engravings. This virtual exhibition is a counterpart of the physical exhibition on Posada that was created by Liladhar P., the Librarian for Latin American Collections. The title of this exhibition is "Illustrating México one page at a time-Print Art of José Guadalupe Posada."The exhibition also highlights two important contemporary Mexican artists: Artemio Rodriguez and Sergio Sánchez Santamaría who continue to cherish and carry the legacy of José Guadalupe Posada. However, I note that these artists have their own stories and own unique style that illustrates the beauty of Mexico's printmaking heritage. This exhibition highlights selected print-items by José Guadalupe Posada. The curator owes a debt of gratitude to Aisha Hamilton and Virgie Hoban.

Illustrating Mexico one page at a time-Print Art of José Guadalupe Posada

Several venues across the East Bay feature Día de los Muertos altars. The Oakland Public Library is among the organizations hosting a related activity. Below are photos of the altar created by the library’s César Chávez branch (formerly the Latin American Library) to commemorate this important cultural tradition.

Photos below: Credit: Liladhar P.

Dia de los muertos altar at Cesar Chavez Branch Library of Oakland Public Library
Our Social Sciences Library at UC Berkeley Library, my departmental colleagues have created also an altar whose pictures I am sharing. Two colleagues who took initiative in supporting this activity are Angelica V.M. and Cody H.

Photos below: Credit Angelica VM.

A dia de los muertos altar at Social Sciences Research Library
A dia de los muertos altar at Social Sciences Research Library

The following subject terms can be helpful to our students when trying to locate materials on Dia de los muertos in our library’s collections.

Subject

Save the date: “Art Against Artillery: Cultural Resilience in Times of War”- A Panel Discussion

We invite you to attend “Art Against Artillery: Cultural Resilience in Times of War,” a panel discussion.

Date: December 4, 2025
Time: 10 am PST (8 pm Kyiv Time)
Registration: https://tinyurl.com/artagainstartillery
Organizer: Dr. Liladhar R. Pendse, Librarian for Slavic, East European, and Eurasian Studies

The event is free and open to all, provided prior registration is completed. Please sign in to your individual Zoom account and then register. All are welcome!

This image shows information about the online event, "Art Against Artillery: Cultural Resilience in Times of War": A panel discussionDate: December 4, 2025 Time: 10 am PST (8 pm Kyiv Time) Registration: https://tinyurl.com/artagainstartillery Organizer: Dr. Liladhar R. Pendse, Librarian for Slavic, East European and Eurasian Studies Event Description: Drawing from Art Against Artillery: Voices of Resilience, this discussion examines how Ukrainian artists transform the trauma of war into a cultural renaissance, wielding art as a vital tool for healing, resistance, and memory.
A poster for the event.

Library Trial: Latin America Commons by Coherent Digital

We currently have trials set up for several modules from Coherent Digital. We have selected modules from Policy Commons, Africa Commons, and Latin America Commons available until Nov 15, 2025.

Please submit your feedback to your librarian for Latin American and Caribbean Studies: Liladhar

Latin America Commons by Coherent Digital is a full-text, richly-indexed database that provides unified, cross-searchable access to millions of pages of Latin American and Latinx primary-source materials, including books, magazines, photographs, maps, letters, diaries, ephemera, videos, and audio files that were previously scattered across the internet and in archives. The project aims to preserve at-risk content, rare documents, and often overlooked resources spanning from the 16th to the 21st centuries, making it easier for scholars and students to discover vetted, high-quality material for research and study.
Latin America Commons Landing Page

Latin America Commons by Coherent Digital is a full-text, richly-indexed database that provides unified, cross-searchable access to millions of pages of Latin American and Latinx primary-source materials, including books, magazines, photographs, maps, letters, diaries, ephemera, videos, and audio files that were previously scattered across the internet and in archives. The project aims to preserve at-risk content, rare documents, and often overlooked resources spanning from the 16th to the 21st centuries, making it easier for scholars and students to discover vetted, high-quality material for research and study.


Lampooning Presidents through Words, Images and Scholarship [repost]

comic strip of Trump and Macron
From Macron, L’an I: pardon de vous le dire par Zef, Kak, and Degreff (Paris: Florent Massot, 2018.)

Recent acts of censorship of late night television talk show hosts Stephen Colbert and Jimmy Kimmel have spurred interest in not only reposting this ever pertinent blog post originally published on November 27, 2018 but also updating it with some relevant books acquired since then. With or without humor, we find both presidents still (or again) in power and in the satirical spotlight. Enjoy! Amusez-vous!

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Lithgow, John. Dumpty : The Age of Trump in Verse. San Francisco: Chronicle Prism, an imprint of Chronicle Books, 2019.As two of the oldest modern democracies, France and the United States share a long tradition of freedom of speech and of the press (and at times governmental censorship). The two societies have found catharsis in the mockery of their highest elected officials through caricatures, cartoons, and critical writings. Here are a few recent library acquisitions, in English and in French, from both sides of the Atlantic in this category of political critique:

Baldwin, Alec and Kurt Andersen. You Can’t Spell America Without Me: The Really Tremendous Inside Story of My Fantastic First Year As President Donald J. Trump (a So-Called Parody). New York: Penguin Press, 2017.

Battistella, Edwin L. Dangerous Crooked Scoundrels: Insulting the President, from Washington to Trump. 1st ed. United Kingdom: Oxford University Press, 2020.

Bourhis, Hervé and Rudy Spiessert. Trump de A à Z. Bruxelles: Casterman, 2017.

Burrell, Ginger R. Un[Hood]ed. Morgan Hill, CA: Midnight Moon Press, 2017.

Campion, Étienne. Le président toxique : enquête sur le véritable Emmanuel Macron. Paris: Robert Laffont, 2025.

Cole, David, and Melanie W. Stinnett. Rules for Resistance: Advice from Around the Globe for the Age of Trump. New York: The New Press, 2017.

Merchet, Jean-Dominique. Macron Bonaparte: Essai. Paris: Stock, 2017.Collard, Susan P., ed. Revolution Revisited : Emmanuel Macron and the Limits of Political Change in France. Abingdon, Oxon ; Routledge, 2025.

Connolly, William E. Aspirational Fascism: The Struggle for Multifaceted Democracy Under Trumpism. Minneapolis: University of Minnesota Press, 2017.

Daniel, Jean-Marc. Macron: La valse folle de Jupiter. Paris: l’Archipel, 2018.

Darmon, Michaël. Les secrets d’un règne : dans les coulisses d’un quinquennat de crises. Paris: L’Archipel, 2021.

Dolez, Bernard et al., eds. L’entreprise Macron à l’épreuve du pouvoir. Fontaine: PUG, 2022.

Dosse, François. Macron, ou, Les illusions perdues : les larmes de Paul Ricoeur. Paris: Le Passeur éditeur, 2022.

Être postmoderne / Michel Maffesoli; postface de Hélène Strohl: Emmanuel Macron, icône ou fake de la postmodernité? Paris: Les Éditions du Cerf, 2018.

Filoche, Gérard. Macron, ou, la casse sociale. Paris: l’Archipel, 2018.

Fottorino, Éric and Joep Bertrams. Détrumpez-vous!, Paris: Gallimard, 2017.

Fourquet, Jérôme. Le nouveau clivage: mondialisation, libre-échange, métropolisation, flux migratoires : état des démocraties occidentales. Paris: Les éditions du Cerf, 2018.

Drezner, Daniel W. The Toddler in Chief : What Donald Trump Teaches Us about the Modern Presidency. Chicago: University of Chicago Press, 2020.Drezner, Daniel W. The Toddler in Chief : What Donald Trump Teaches Us about the Modern Presidency. Chicago: University of Chicago Press, 2020.

Genté, Régis. Notre homme à Washington : Trump dans la main des Russes. Paris: Bernard Grasset, 2024.

Christopher J. Gilbert. Caricature and National Character: The United States at War. Penn State University Press, 2021.

Giroux, Henry A. The Public in Peril: Trump and the Menace of American Authoritarianism. New York, NY: Routledge, 2018.

Hamming, Grant, and Natalie E. Phillips, eds. Interrogating The Visual Culture Of Trumpism. New York, NY: Routledge, 2025.

Johnston, David C. It’s Even Worse Than You Think: What the Trump Administration Is Doing to America. New York: Simon & Schuster, 2018.

Joly, Marc. La pensée perverse au pouvoir. Paris: Anamosa, 2024.

Toulouse, Anne. L’art de “trumper”, ou, Comment la politique de Donald Trump a contaminé le monde. Monaco: Éditions du Rocher, 2024.Lee, Bandy X. The Dangerous Case of Donald Trump: 27 Psychiatrists and Mental Health Experts Assess a President. New York: St. Martin’s Press, 2017.

Lithgow, John. Dumpty : The Age of Trump in Verse. San Francisco: Chronicle Prism, an imprint of Chronicle Books, 2019.

Mayaffre, Damon. Macron, ou, Le mystère du verbe : ses discours décryptés par la machine. La Tour d’Aigues: Éditions de l’Aube, 2021.

Merchet, Jean-Dominique. Macron Bonaparte: Essai. Paris: Stock, 2017.

Mielczarek, Natalia. The Trump Presidency in Editorial Cartoons . 1st ed. Lanham: Lexington Books, 2023.

Mongin, Olivier, and Lucile Schmid. Emmanuel Macron à contretemps. Montrouge: Bayard, 2022.

Nanos, Nik. The Age of Voter Rage. London: Eyewear Publishing, 2018.

Ngono, Emmanuel. Sacré Macron : une aventure qui a vraiment bousculé le fonctionnement institutionnel français / Emmanuel Ngono. Morancez (France): Éditions Cana, 2023.Ngono, Emmanuel. Sacré Macron : une aventure qui a vraiment bousculé le fonctionnement institutionnel français / Emmanuel Ngono. Morancez (France): Éditions Cana, 2023.

Taguieff, Pierre-André. Macron: miracle ou mirage? Paris: Éditions de l’Observatoire, 2017.

Toulouse, Anne. Dans la tête de Donald Trump. Paris: Stock, 2016.

Toulouse, Anne. L’art de “trumper”, ou, Comment la politique de Donald Trump a contaminé le monde. Monaco: Éditions du Rocher, 2024.

Trudeau, G. B. Day One Dictator: More Doonesbury in the Time of Trumpism. 1st ed. Cork: Andrews McMeel, 2024.

Trumpism: The Politics Of Gender in a Post-Propitious America / edited by Laura Finley and Matthew Johnson. Newcastle upon Tyne, UK; Cambridge Scholars Publishing, 2018.

Willem. Macron: L’amour fou. Bordeaux: Les Requins marteaux, 2018.

Zef, Kak and Degreff. Macron, L’an I: pardon de vous le dire. Paris: Florent Massot, 2018.

Zef, Kak, and Degreff. Macron, L'an I: pardon de vous le dire. Paris: Florent Massot, 2018.
Zef, Kak, and Degreff. Macron, L’an I: pardon de vous le dire. Paris: Florent Massot, 2018.

New Acquisitions in Catalan Language and Literature

Please find this selection of books in Catalan recently received and cataloged for your reading pleasure. Catalan is a Western Romance language and is the official language of Andorra, and the official language of three autonomous communities in eastern Spain: Catalonia, the Balearic Islands and the Valencian Community, where it is called Valencian.

Catalan is considered a Less Commonly Taught Language (LCTL) in Europe and has received special support from the U.S. Department of Education under the auspices of Title VI of the Higher Education Act of 1965. Other languages of interest to research and teaching at Berkeley and historically supported by this program administered by the Institute of European Studies include Dutch, Portuguese, Modern Greek, Occitan, Yiddish, Galician, Danish, Finnish, Swedish, Norwegian, Icelandic, and more.