American Philosophical Society

American Philosophical Society This country's first learned society, the APS has played an important role in American cultural and intellectual life for over 250 years.
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Library Hall Hours (by appointment)
Monday - Friday 9:00 AM - 4:45 PM

Museum Hours
Thursday - Sunday 10:00 AM - 5:00 PM

Thanks to the nearly 65,000 visitors who paid a visit to our exhibition Pursuit & Persistence: 300 Years of Women in Sci...
01/08/2024

Thanks to the nearly 65,000 visitors who paid a visit to our exhibition Pursuit & Persistence: 300 Years of Women in Science in 2023. Visitor Services Coordinator Deanna Johnson reflected on some meaningful interactions with guests over the past year:

Another great exhibition season at the American Philosophical Society Museum has come to a close. Over 65,000 walk-in visitors from around the world were able to learn about the brilliant scientists featured in Pursuit & Persistence: 300 Years of Women in Science. That number does not include the nu...

  is the perfect day to preview our next exhibition, Sketching Splendor: American Natural History, 1750-1850, opening in...
01/05/2024

is the perfect day to preview our next exhibition, Sketching Splendor: American Natural History, 1750-1850, opening in April. Visitors can expect to see a rotating selection of prints from the Society's complete set of Aububon's Birds of America elephant folios.

APS Member Kathryn Sikkink recently appeared on the Harvard Kennedy School podcast Policycast to discuss the impact of t...
01/04/2024

APS Member Kathryn Sikkink recently appeared on the Harvard Kennedy School podcast Policycast to discuss the impact of the Universal Declaration of Human Rights, established 75 years ago. Listen here:

Harvard Kennedy School Professor Kathryn Sikkink and former Human Rights Watch executive director Kenneth Roth tell the story of the document some scholars call humankind’s greatest achievement. FEATURING Kathryn Sikkink AND KenNETH Roth 43 MINUTES AND 10 SECONDS

In this week's blog post, Jessica Hutchinson describes the ways archival descriptions and metadata can be used to highli...
01/03/2024

In this week's blog post, Jessica Hutchinson describes the ways archival descriptions and metadata can be used to highlight lesser-known stories in larger collections using the example of John Dickinson's papers in Revolutionary City.

Header Image: John Dickinson. James Smither, "The Patriotic American Farmer" (1768). Library Company of Philadelphia.Through The Revolutionary City project, the John Dickinson papers held at the Library Company of Philadelphia are now digitally accessible via The Revolutionary City portal (therevolu...

Happy New Year! The American Philosophical Society's offices and library reading room are open following a holiday break...
01/02/2024

Happy New Year! The American Philosophical Society's offices and library reading room are open following a holiday break. The museum is closed while we prepare for 2024's exhibition on natural history. We hope to see you at a program, at the museum, or in the library in 2024.

This is the final day to visit the 2023 APS exhibition, Pursuit and Persistence: 300 Years of Women in Science! Come by ...
12/30/2023

This is the final day to visit the 2023 APS exhibition, Pursuit and Persistence: 300 Years of Women in Science! Come by Philosophical Hall (104 S 5th st) from 10 am - 5 pm to learn about the women who changed genetics, astronomy, computing, and more.

 : Lewis & Clark Field Scholar Anjali Boyd is a Ph.D. student at Duke University studying marine ecology. In 2022, APS f...
12/22/2023

: Lewis & Clark Field Scholar Anjali Boyd is a Ph.D. student at Duke University studying marine ecology. In 2022, APS funded field work for “Effects of Top Predator Decline and Nutrient Pollution on Coastal Ecosystem Structure.” Read more: https://diglib.amphilsoc.org/womeninscience/tip-of-the-iceberg

Please note the Society's upcoming holiday hours. APS offices and the library reading room will be closed December 23 th...
12/22/2023

Please note the Society's upcoming holiday hours. APS offices and the library reading room will be closed December 23 through January 1, reopening January 2. These are also the final days to visit our museum exhibition. Make sure to visit Pursuit & Persistence: 300 Years of Women in Science on December 22, 23, 29, or 30 from 10 am-5 pm.

 : "The Origins of Revolution," July 24-25, 2024. George Mason’s Gunston Hall, the David Center for the American Revolut...
12/21/2023

: "The Origins of Revolution," July 24-25, 2024. George Mason’s Gunston Hall, the David Center for the American Revolution at the American Philosophical Society, and the The Fred W. Smith National Library for the Study of George Washington are co-organizing a conference that explores the origins of the American Revolution in a broad perspective with particular attention to the Fairfax Resolves. Proposals are due January 30: https://www.amphilsoc.org/blog/cfp-origins-revolution-july-24-25-2024-george-washingtons-mount-vernon

  is here, but not much wintery weather. For a snowy scene, we look to a lantern slide in Quebec taken by anthropologist...
12/21/2023

is here, but not much wintery weather. For a snowy scene, we look to a lantern slide in Quebec taken by anthropologist Frank Speck. He used this medium to document American Indian life in the first half of the 20th century.

There are just two weekends left to visit our exhibition  &Persistence! Visit us Thursday-Saturday 10 am-5 pm until the ...
12/20/2023

There are just two weekends left to visit our exhibition &Persistence! Visit us Thursday-Saturday 10 am-5 pm until the end of the month. We are closed Christmas Eve and New Years Eve

Pursuit & Persistence: 300 Years of Women in Science, a new exhibition at the American Philosophical Society's Library & Museum, explores how women scientists have overcome obstacles to achieve breakthroughs, make places for themselves in science, and help others along the way.The exhibition invites...

January's Indigenous Learning Forum will feature Rayo Cruz, who will describe his experience teaching Zapotec as a secon...
12/19/2023

January's Indigenous Learning Forum will feature Rayo Cruz, who will describe his experience teaching Zapotec as a second language.

The third 2023-2024 Indigenous Learning Forum will take place January 18, 2024 at 3:00 p.m. ET on Zoom. This talk will be given in Spanish with an English translation.

APS Member Diane E. Griffin (APS 2018) credits mentors with encouraging her to pursue both MD and Ph.D. degrees when the...
12/19/2023

APS Member Diane E. Griffin (APS 2018) credits mentors with encouraging her to pursue both MD and Ph.D. degrees when these programs were less common, but that training was crucial to her career in immunology and microbiology. Read more: https://diglib.amphilsoc.org/womeninscience/tip-of-the-iceberg

On January 17—Benjamin Franklin's 318th birthday—join us for a discussion of the science behind the anti-counterfeit met...
12/18/2023

On January 17—Benjamin Franklin's 318th birthday—join us for a discussion of the science behind the anti-counterfeit methods of his money printing. Physicist Khachatur Manukyan and his team analyzed 600 printed notes to understand his innovations.

Paper money in colonial America relied on the skill of its printers and reputation of its creditors for its value. Benjamin Franklin fought against money counterfeiting in pre-Federal America by inventing new printing methods and production measures.

The APS is hiring a Digital Projects Specialist to join a growing collaborative team at the Center for Digital Scholarsh...
12/18/2023

The APS is hiring a Digital Projects Specialist to join a growing collaborative team at the Center for Digital Scholarship (CDS). This position will support outreach and use of APS collections through digital project development. Apply by Jan 22: https://apply.interfolio.com/138073

There's still time to join us (in person or online) for this evening's talk about 19th C scientists, sisters, and German...
12/14/2023

There's still time to join us (in person or online) for this evening's talk about 19th C scientists, sisters, and Germantown residents Margaretta Hare Morris and Elizabeth Carrington Morris. Catherine McNeur will present her new book, Mischievous Creatures: The Forgotten Sisters Who Transformed Early American Science.

Mischievous Creatures (Basic Books, 2023) is the story of Margaretta Hare Morris and Elizabeth Carrington Morris, two women who transformed American science in the nineteenth century. Famous for her work with seventeen-year cicadas, Margaretta was an entomologist whose discoveries of insects and the...

Following a nation-wide search, the American Philosophical Society is pleased to announce the appointment of Professor M...
12/13/2023

Following a nation-wide search, the American Philosophical Society is pleased to announce the appointment of Professor Michelle Craig McDonald as Director of the Society’s Library & Museum. Read more:

Following a nation-wide search by a committee chaired by Sarah Thomas (APS 2013), who was most recently the Harvard University Librarian, the American Philosophical Society is pleased to announce the appointment of Professor Michelle Craig McDonald as Director of the Society’s Library & Museum. Th...

Are there still a few difficult to buy for people on your holiday shopping list? Consider adopting a book or manuscript ...
12/12/2023

Are there still a few difficult to buy for people on your holiday shopping list? Consider adopting a book or manuscript in their name for the APS's Library & Museum. Each adopted item is affixed with a personalized name plate.

The history of the American Philosophical Society’s Library is one of intellectual pursuit, civic spirit, and private philanthropy. Many of the works in the Library’s remarkable collection of 14 million pages of manuscripts and 300,000 books came as gifts from generous and public-minded Members ...

The APS is seeking an Editorial Administrator to support the APS Press. The EA will report to the Press Director and wil...
12/12/2023

The APS is seeking an Editorial Administrator to support the APS Press. The EA will report to the Press Director and will collaborate with the Press’s editorial team, other APS departments, and our distributor, the University of Pennsylvania Press. https://apply.interfolio.com/137834

On this day 288 years ago, Benjamin and Deborah Franklin sold A LOT of books out of their Philadelphia shop. Thanks to t...
12/11/2023

On this day 288 years ago, Benjamin and Deborah Franklin sold A LOT of books out of their Philadelphia shop. Thanks to the Center for Digital Scholarship's work on the Franklins' Philadelphia Ledgers Project, a quick search reveals that on December 11, 1735, a Captain William Wallace purchased over 11 dozen books from Almanacks and Psalm Books to Primers and best-selling medical guides. Pictured here is the original ledger, where the bottom entry lists Wallace's purchases, and the database results for those purchases. Explore the database for yourself to see what you can learn about the Franklins' shop! https://diglib.amphilsoc.org/franklindata/database

What do doctors and conservators have in common? They both vow to "do no harm" to their patients, whether that be a pers...
12/11/2023

What do doctors and conservators have in common? They both vow to "do no harm" to their patients, whether that be a person or a book. Read about the work last summer's conservation intern performed on the binding of Aphorismi Hippocratis Graece et Latine.

Header Image: 2023 Willman Spawn Conservation Intern Charlotte “Charly” Starnes puts the finishing touches on her treatment of a 1549 French copy of Aphorismi Hippocratis Graece et Latine.

 : Franklin grant recipient and former APS Library fellow Leo Garofalo has been traveling the world to find records of 1...
12/08/2023

: Franklin grant recipient and former APS Library fellow Leo Garofalo has been traveling the world to find records of 16th and 17th century African Diaspora in the Peruvian Southern Highlands with a focus on Cuzco. Read more:

History Professor Leo Garofalo travels around the world to discover more about the African Diaspora in Peru’s southern highlands in the 1500s and 1600s.

On Dec 13, former APS Manuscripts Librarian J. Stephen Catlett will join us for a Lunch at the Library presentation disc...
12/07/2023

On Dec 13, former APS Manuscripts Librarian J. Stephen Catlett will join us for a Lunch at the Library presentation discussing his time at the Society, which began in 1977. He has published an essay on his experiences in the upcoming issue of Proceedings.

Join us for a Lunch at the Library presentation from former APS Manuscripts Librarian J. Stephen Catlett, who will be sharing reminiscences and reflections from his memoir published in the Fall 2023 issue of the Proceedings of the American Philosophical Society.

We asked women APS Members in science what advice they would give to their younger selves. Biologist Barbara Meyer said,...
12/06/2023

We asked women APS Members in science what advice they would give to their younger selves. Biologist Barbara Meyer said, "Follow your intellectual passions and don't listen to people who claim you are not qualified or don't have enough experience to pursue your interests."

The American Philosophical Society is seeking a Director of Meetings to lead the Society's twice-annual Members' Meeting...
12/05/2023

The American Philosophical Society is seeking a Director of Meetings to lead the Society's twice-annual Members' Meetings. Apply by January 15: https://apply.interfolio.com/137250

Just a few weeks remain to visit the APS exhibition, Pursuit & Persistence: 300 Years of Women in Science. Visit by Dece...
12/05/2023

Just a few weeks remain to visit the APS exhibition, Pursuit & Persistence: 300 Years of Women in Science. Visit by December 30 to learn more about the scientists who changed the fields of astronomy, genetics, medicine, and more:

Pursuit & Persistence: 300 Years of Women in Science, a new exhibition at the American Philosophical Society's Library & Museum, explores how women scientists have overcome obstacles to achieve breakthroughs, make places for themselves in science, and help others along the way.The exhibition invites...

The APS is organizing a conference inspired by its upcoming exhibition Sketching Splendor: Natural History in America, 1...
12/05/2023

The APS is organizing a conference inspired by its upcoming exhibition Sketching Splendor: Natural History in America, 1750-1850. Proposals that explore the ways humans have imagined, depicted, and constructed ideas about the natural world are due Feb 15.

Inspired by the APS Museum’s upcoming exhibition Sketching Splendor: Natural History in America, 1750-1850 the American Philosophical Society is organizing a daylong conference that will explore the ways humans have imagined, depicted, and constructed representations and knowledge about the natura...

Last month, APS Members gathered for the Autumn General Meeting to hear talks on topics from documentary filmmaking to t...
12/04/2023

Last month, APS Members gathered for the Autumn General Meeting to hear talks on topics from documentary filmmaking to the human microbiome. Watch the induction of new members and the prize ceremony for achievements in cultural history and neuroscience. https://www.youtube.com/watch?v=43HiO5DdoE4

Wednesday's David Center Seminar features a paper from Blake McGready, Ph.D. Candidate at the Graduate Center, CUNY. He ...
12/04/2023

Wednesday's David Center Seminar features a paper from Blake McGready, Ph.D. Candidate at the Graduate Center, CUNY. He will discuss his research on the the environmental legacy of the American Revolution. Join us on Zoom:

The fourth 2023-2024 David Center for the American Revolution Seminar will take place December 6, 2023

Join us on Thursday, December 14 when Catherine McNeur will discuss her book Mischievous Creatures (Basic Books, 2023). ...
12/01/2023

Join us on Thursday, December 14 when Catherine McNeur will discuss her book Mischievous Creatures (Basic Books, 2023). It is the story of Margaretta Hare Morris and Elizabeth Carrington Morris, two women who transformed American science in the 19th century. The sisters were part of a thriving scientific community in Philadelphia, but their work was often mediated by the men in their lives. When Margaretta's research on the hessian fly was presented to the APS, her cousin Robert Hare read her paper to the Society. Historian Catherine McNeur will detail the Morris sisters' lives and work, and also explore why they have been forgotten, tracing the multiple ways that their legacies were lost.

Mischievous Creatures (Basic Books, 2023) is the story of Margaretta Hare Morris and Elizabeth Carrington Morris, two women who transformed American science in the nineteenth century. Famous for her work with seventeen-year cicadas, Margaretta was an entomologist whose discoveries of insects and the...

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104 South Fifth Street
Philadelphia, PA
19106

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 4:45pm
Wednesday 9am - 4:45pm
Thursday 9am - 4:45pm
Friday 10am - 4:45pm
Saturday 10am - 4pm
Sunday 10am - 5pm

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(215) 440-3400

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