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.

Library Hall Hours (by appointment)
Monday - Friday 9:00 AM - 4:45 PM

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

"Alaska Native Resilience: Voices from World War II" 7th Annual Digital Knowledge Sharing Workshop Keynote Discussion with Holly Miowak Guise | American Philosophical Society 07/22/2024

This Wednesday at 6 pm ET, Holly Miowak Guise will discuss her book, Alaska Native Resilience, which draws on interviews with Alaska Native elders about their memories of WWII Alaska as servicemen, civilians, and children. Join in person or online:

"Alaska Native Resilience: Voices from World War II" 7th Annual Digital Knowledge Sharing Workshop Keynote Discussion with Holly Miowak Guise | American Philosophical Society Join the APS for a keynote discussion featuring Holly Miowak Guise. This keynote is a part of the broader 7th Annual 2024 Digital Knowledge Workshop at the American Philosophical Society. Alaska Native elders remember wartime invasion, relocation, and land reclamation

We Went to Mississippi: Nurses’ Civil Rights Activism of the Mid-1960s 07/19/2024

Julie Fairman, Professor of Nursing at Penn Nursing, will receive the Living Legend award from the American Academy of Nursing. She spoke at a 2018 Meeting of the APS on nurses' participation in the Civil Rights movement:

We Went to Mississippi: Nurses’ Civil Rights Activism of the Mid-1960s Julie Fairman speaking at the American Philosophical Society Autumn Meeting, November 2018.

07/19/2024

APS President Roger Bagnall has been awarded an Honorary Degree of Doctor of Letters from the University of Reading:

John Fry will be Temple's next president. Here are 6 things to know - WHYY 07/18/2024

New APS Member John Fry will leave his post as President at this fall to become President at . Listen to his interview with WHYY to learn more about his priorities:

John Fry will be Temple's next president. Here are 6 things to know - WHYY Fry explained his vision for tackling crime on campus, increasing diversity, and working with the neighboring community.

07/17/2024

Kudos to the team in the APS's Center for Digital Scholarship--Visualizing Women in Science was named 1st Runner Up in the Best DH Data Visualization category in the just-announced 2023 Digital Humanities Awards. Launch the visualization and learn about the networks of women scientists in APS collections.
https://diglib-legacy.amphilsoc.org/womeninscience/network-vis.html

CFP: "1775: A Society on the Brink of War and Revolution," April 10-11, 2025 at the Concord Museum | American Philosophical Society 07/17/2024

In April 2025, the David Center at the APS, the Concord Museum, and Massachusetts Historical Society, will hold a conference on the theme “1775” marking the 250th anniversary of the battles of Lexington and Concord. The conference will explore the challenges facing New England society in this moment and their impact on the outbreak of fighting in 1775. Apply by October 15:

CFP: "1775: A Society on the Brink of War and Revolution," April 10-11, 2025 at the Concord Museum | American Philosophical Society The Concord Museum, the David Center for the American Revolution at the American Philosophical Society, and the Massachusetts Historical Society will hold a conference on April 10-11, 2025 on the theme “1775”. The conference will be convened at the Concord Museum and marks the 250th anniversary ...

Still Ticking: A Modern Clockmaker Revives His 18th-Century Philadelphia Predecessor, in a New Biography from the APS Press | American Philosophical Society 07/16/2024

In advance of the release of Bob Frishman's biography of clockmaker Edward Duffield next month, APS Press Fellow Jon Repetti visited Frishman's Massachusetts home and workshop to learn more about the author's connection to his subject.

Still Ticking: A Modern Clockmaker Revives His 18th-Century Philadelphia Predecessor, in a New Biography from the APS Press | American Philosophical Society This August, the APS Press will be releasing Edward Duffield: Philadelphia Clockmaker, Citizen, Gentleman, 1730-1803, by Bob Frishman. The story of Edward Duffield’s life is both a window into the world of colonial clockmaking and a history of 18th-century Philadelphia from the perspective of one ...

07/15/2024

John James Audubon was elected to the APS in 1831, but not all of his fellow Members wished to see him elected. His rivalry with fellow ornithologist Alexander Wilson (APS 1813) and APS President George Ord (APS 1817) delayed his election until Ord was out of town.

30/30 Sketching Splendor | American Philosophical Society 07/12/2024

Get a whirlwind tour of the naturalists, plants, and animals featured in our exhibition Sketching Splendor on July 31 at our 30/30 lightning talk, covering 30 topics in 30 minutes. Stick around afterwards to visit the exhibition:

30/30 Sketching Splendor | American Philosophical Society Wednesday, July 31st from 6:00 p.m. to 7:30 p.m. ETJoin the American Philosophical Society in learning about the naturalists and natural history that resides in our current exhibition, Sketching Splendor: American Natural History, 1750-1850. Spanning the whole exhibition and many aspects of natural....

Book Launch: Edward Duffield, Clockmaker | American Philosophical Society 07/12/2024

Philadelphia clockmaker Edward Duffield died in 1803. Now, the APS Press has published the first book-length study of his life and work. Attend the book launch on September 18 to hear from author Bob Frishman about this remarkable craftsman:

Book Launch: Edward Duffield, Clockmaker | American Philosophical Society The American Philosophical Society Press will host a launch for the first book length study of Philadelphia clockmaker Edward Duffield on September 18, 2024.

Roots and Shoots in Jefferson Garden | American Philosophical Society 07/11/2024

Join the APS Museum and Wyck Historic House, Garden, and Farm on Saturday, July 27th for “Roots and Shoots in the Jefferson Garden.'' Visitors will learn about growing plants and start their own green bean seedling.

Roots and Shoots in Jefferson Garden | American Philosophical Society Saturday, July 27th from 11:00 a.m.-3:00 p.m. ETJoin the APS Museum and Wyck Historic House on Saturday, July 27th for “Roots and Shoots in the Jefferson Garden”.Inspired by the APS’s current exhibition, Sketching Splendor: American Natural History, 1750-1850, visitors will channel their inner...

Gravitational Wave Scientists Are Unraveling the Mysteries of the World's Oldest Analog Computer 07/11/2024

New research on the antikythera mechanism suggests that the ancient dial's ring may have been a lunar, rather than solar, calendar. The APS published the first study of this device with Derek de Solla Price's "Gears from the Greeks," available digitally later this year. Price also partially funded his research through grants from the APS.

Gravitational Wave Scientists Are Unraveling the Mysteries of the World's Oldest Analog Computer A new study challenges a core assumption about the Antikythera mechanism, a 2,000-year-old device that inspired the latest "Indiana Jones" film

Frances H. Arnold awarded the 2025 ACS Priestley Medal - American Chemical Society 07/10/2024

Congratulations to APS Member Frances Arnold (APS 2018), winner of the American Chemical Society's 2025 Priestly Medal, the Society's highest honor. Arnold is honored "for her pioneering contributions to the development of directed evolution as a method for chemical and biological design." Her work has had major impact in the development of enzymes in medicine and environmental work. This research also earned her the Nobel Prize in chemistry in 2018.

Frances H. Arnold awarded the 2025 ACS Priestley Medal - American Chemical Society ACS is proud to announce that Frances H. Arnold is being awarded the 2025 Priestley Medal, which is the highest honor awarded by ACS and recognizes an individual for distinguished service to chemistry.

"Alaska Native Resilience: Voices from World War II" 7th Annual Digital Knowledge Sharing Workshop Keynote Discussion with Holly Miowak Guise | American Philosophical Society 07/10/2024

On Wednesday, July 24, Holly Miowak Guise will discuss her work with Indigenous elders to explore the multidimensional relationship between Alaska Natives and the US military during the World War II. This keynote is a part of the broader 7th Annual 2024 Digital Knowledge Workshop at the American Philosophical Society. Attend in person or virtually:

"Alaska Native Resilience: Voices from World War II" 7th Annual Digital Knowledge Sharing Workshop Keynote Discussion with Holly Miowak Guise | American Philosophical Society Join the APS for a keynote discussion featuring Holly Miowak Guise. This keynote is a part of the broader 7th Annual 2024 Digital Knowledge Workshop at the American Philosophical Society. Alaska Native elders remember wartime invasion, relocation, and land reclamation

The Origins of Revolution: 250th Anniversary of the Fairfax Resolves | American Philosophical Society 07/09/2024

On July 24 and 25, the David Center at the APS, George Mason’s Gunston Hall, and The Fred W. Smith National Library for the Study of George Washington, will convene a conference discussing the Origins of the American Revolution and the Fairfax Resolves. Register to attend in person in VA or remotely:

The Origins of Revolution: 250th Anniversary of the Fairfax Resolves | American Philosophical Society To mark the 250th anniversary of the Fairfax Resolves, a central document in the coming of the American Revolution co-authored by George Mason and George Washington, George Mason’s Gunston Hall, the David Center for the American Revolution at the American Philosophical Society, and the George Wash...

Congratulations! 07/09/2024

APS Members Adi Shamir (APS 2019), Joanne Chory (APS 2015), and Lord Martin Rees (APS 1995) are 2024 laureates. The Wolf Prize "is awarded annually to Scientists and Artists for their achievements in the interest of mankind and friendly relations amongst peoples."

Congratulations! The 2024 Wolf Prize Laureates were announced!

07/08/2024

APS Member David Tatel will appear on Washington Post Live this Wednesday at 1 pm ET to discuss the U.S. justice system and his memoir, Vision, with Jonathan Capehart. Register:
https://www.washingtonpost.com/washington-post-live/2024/07/10/retired-judge-david-tatel-vision-dc-circuit-tenure-supreme-court-concerns/

07/03/2024

This week, as we commemorate the 248th anniversary of the Declaration of Independence, we turn to other commemorative examples. This invitation looks to the third anniversary, with Benjamin Franklin still in France, throwing a party to celebrate the occasion.

07/02/2024

Important opening hours update for the holiday week:
The APS Museum is open today, Tuesday, July 2, 10 A.M.–5 P.M.
The museum is open Thursday through Sunday, 10 A.M.–5 P.M.

APS offices and the Library Reading Room will be closed Thursday, July 4 and Friday, July 5.

The Diaries of Victor Heiser | American Philosophical Society 07/02/2024

The small, tightly-bound diaries of Victor Heiser are challenging to digitize, but provide fascinating insight into public health in the early 20th century. Joseph DiLullo presents a few highlights.

The Diaries of Victor Heiser | American Philosophical Society The Victor Heiser Papers are a valuable resource that tell the story of an important public health figure of the 20th century. One of the most interesting and useful parts of the collection are Heiser’s travel diaries and notebooks. Victor Heiser, a medical doctor and public health administrator, ...

Photos from American Philosophical Society's post 07/01/2024

Tomorrow, July 2, is the first annual Red, White, & Blue To-Do with our historic district partners! Join in the fun with a parade through Independence Mall, then stop by the APS and explore the museum, visit our table in the Signers Garden in the afternoon for hands-on activities, and cool off with movie snacks and a screening of 1776 in the evening. https://www.amphilsoc.org/events/aps-red-white-blue-do

06/29/2024

Stop by the APS for Wawa Welcome America free museum day today, 10-5!

The American Philosophical Society is pleased to participate in Wawa Welcome America this Saturday, June 29, 10 am - 5 pm. Visit our exhibition Sketching Splendor: American Natural History 1750-1850 and enjoy family-friendly programming. Channel your inner naturalist and learn about the biomes in which plants and animals live, the different beaks birds have to survive, and make butterfly feeders. 104 S 5th St. Philadelphia, 19106.

06/28/2024

Sign up to join the Red, White, & Blue To-Do parade on Tuesday July 2, then stop by our neighborhood partners and join in the fun at the APS- tour the museum, participate in activities in the Signers Garden, and cool off with some movie snacks in Franklin hall and watch 1776. https://www.amphilsoc.org/events/aps-red-white-blue-do

Help us get ready for Red, White, & Blue To-Do! 

Join in the Pomp & Parade and help decorate the wagons at the National Constitution Center this Saturday, Sunday, and Monday! The activity is free but space is limited, so advance registration is required.

Red, White, & Blue To-Do Pomp & Parade kicks off at the National Constitution Center on July 2, at 11am, traveling along Independence Mall and ending at Carpenters’ Hall at noon. The parade will include a variety of youth performance troupes, miniature, hand-decorated wagon floats, and community members decked out in patriotic flair.

Pre-registration to march in the Pomp & Parade is required, but everyone is invited to follow along the parade route.

Join us in other special Red, White, & Blue To-Do activities!

𝗕𝗲𝘁𝘀𝘆 𝗥𝗼𝘀𝘀 𝗛𝗼𝘂𝘀𝗲
9am | Children’s Naturalization Ceremony

12-4pm | Carnival-style games in the Courtyard, including Patriotic Plinko!

The House will also extend its hours through 7pm on July 2!

𝗙𝗿𝗮𝗻𝗸𝗹𝗶𝗻 𝗦𝗾𝘂𝗮𝗿𝗲
1-3pm | Meet and Greet with Wonder Woman, Red, White, and Blue tattoo giveaways, and free fun for kids! 

Visit the link in our bio to learn more and register!

Edward Duffield Philadelphia Clockmaker, Citizen, Gentleman 1730-1803 - Antiques And The Arts Weekly 06/28/2024

The APS Press's book on 18th century Philadelphia clockmaker Edward Duffield is the cover Antiques And The Arts Weekly. Read more about what made this gentleman craftsman tick:

Edward Duffield Philadelphia Clockmaker, Citizen, Gentleman 1730-1803 - Antiques And The Arts Weekly PHILADELPHIA — “Collectors of antiques are likely to think of clocks as furniture rather than as timekeepers.

06/27/2024

The American Philosophical Society is pleased to participate in Wawa Welcome America this Saturday, June 29, 10 am - 5 pm. Visit our exhibition Sketching Splendor: American Natural History 1750-1850 and enjoy family-friendly programming. Channel your inner naturalist and learn about the biomes in which plants and animals live, the different beaks birds have to survive, and make butterfly feeders. 104 S 5th St. Philadelphia, 19106.

06/26/2024

Start your celebration off with the APS next week! On Tuesday, July 2, the APS joins our Philadelphia Historic District partners in celebrating Independence Day at the Red, White, & Blue To-Do.

Celebrate in three ways: visit our museum, join us for hands-on Declaration-related activities in the Signers Garden, and relax with an evening screening of the movie musical 1776.
https://www.amphilsoc.org/events/aps-red-white-blue-do

Indigenous Learning Forum | American Philosophical Society 06/26/2024

We have extended the deadline for proposals for our 2024-2025 Indigenous Learning Forum to Monday, August 5!
The ILF is a virtual space for sharing Indigenous-led and community-engaged projects, as well as research in Native American and Indigenous Studies and related fields. Presenters represent diverse Indigenous communities, professional and scholarly fields, and career levels.

Indigenous Learning Forum | American Philosophical Society Submissions for the 2024-2025 Indigenous Learning Forum are open through Monday, June 10. Deadline extended to Monday, August 5!Submit your proposal here!Inspired by the work of the Center for Native American and Indigenous Research (CNAIR), the APS Library & Museum's Indigenous Learning Forum (form...

Deeply Hidden in the Archives: Lois M. Haibt | American Philosophical Society 06/24/2024

In trying to find computer scientist Lois Haibt in the collections, Anne Downey started with the digital networking project Visualizing Women in Science and then dug even deeper.

Deeply Hidden in the Archives: Lois M. Haibt | American Philosophical Society Computer scientist Lois M. Haibt may not be a household name. She’s described by her family as being a quiet, unassuming woman who enjoys tootling around on the internet, the occasional knitting or sewing project, and socializing with family and friends. As it turns out, though, she is one of the ...

Photos from American Philosophical Society's post 06/21/2024

The APS is pleased to join our historic neighborhood partners in "pomp and parade" at the Red, White, & Blue To-Do on July 2! The APS's museum will be open 10-5, we will be hosting fun Declaration related activities in the Signers Garden (5th and Chestnut Streets) from 11-3 and we will screen the film 1776 at 6 pm. Get all the details here: https://www.phlvisitorcenter.com/red-white-blue-to-do-philadelphia-pa

Pursuit & Persistence: A Recap of 2023 at the APS Museum | American Philosophical Society 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:

Pursuit & Persistence: A Recap of 2023 at the APS Museum | American Philosophical Society 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...

Want your organization to be the top-listed Government Service in Philadelphia?
Click here to claim your Sponsored Listing.

Videos (show all)

Did you know that the popular nursery rhyme "Pop Goes the Weasel" is more than 300 years old? Join us in celebrating Nat...
Happy Halloween
Susan O. Montgomery Lecture: Performance and Conversation with Curtis Faculty
Opium’s Long Shadow: From Asian Revolt to Global Drug Control
Becoming Weatherwise - In Early America and Today
Panel 5: Resiliency & Wrap-up discussion
Interlude: Climate is Everywhere:  One Institution's Lessons in Reframing Science for the Anthropocene
Panel 2: Storytelling
Panel 1: Imagined Futures
Opening Keynote: Living with Climate Change
Wrap-up Discussion

Telephone

Address


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

Other Philadelphia government services (show all)
Temple University Libraries Temple University Libraries
1900 N. 13th Street
Philadelphia, 19122

The Libraries at Temple University

Free Library of Philadelphia Free Library of Philadelphia
1901 Vine Street
Philadelphia, 19103

Advancing literacy, guiding learning, and inspiring curiosity.

Society of Hospital Medicine Society of Hospital Medicine
1500 Spring Garden Street, Ste 501
Philadelphia, 19130

Empowering hospitalists. Transforming patient care.

Tree House Books Tree House Books
1430 W Susquehanna Avenue
Philadelphia, 19121

Tree House Books is growing & sustaining a community of readers, writers, and thinkers in Philadelphia, PA

West Philly Tool Library West Philly Tool Library
1314 S 47th Street
Philadelphia, 19143

The West Philly Tool Library wants our neighbors to be able to maintain their properties. We do this by providing tools and know how through our lending library and our home repai...

Wagner Free Institute of Science Wagner Free Institute of Science
1700 W Montgomery Avenue
Philadelphia, 19121

Where little has changed but the century! A free Victorian era natural history museum in Philadelphia

Wyck Historic House, Garden, and Farm Wyck Historic House, Garden, and Farm
6026 Germantown Avenue
Philadelphia, 19144

National Historic Landmark house, garden, and farm. The Oldest Rose Garden in United States.

Friends of the Free Library of Philadelphia Friends of the Free Library of Philadelphia
1901 VINE Street
Philadelphia, 19103

Friends of the Free Library of Philadelphia is an independent organization of community members suppo

Philabundance Philabundance
3616 S Galloway Street
Philadelphia, 19148

Philabundance was founded in 1984 with the simple belief that no one should go hungry. A Feeding America food bank.

Penn Libraries Penn Libraries
3420 Walnut Street
Philadelphia, 19104

The Official page for the University of Pennsylvania Libraries.

One Book, One Philadelphia One Book, One Philadelphia
1901 Vine Street
Philadelphia, 19103

One Book, One Philadelphia fosters reading, literacy, library usage, and civic dialogue citywide. Each year, Philadelphians are invited to come together by reading a single novel, ...

Germantown Mennonite Historic Trust Germantown Mennonite Historic Trust
6133 Germantown Avenue
Philadelphia, 19144

Site of first Mennonite Meetinghouse in the US, preserving the story of the 1688 Protest, in the Historic Germantown neighborhood of Philadelphia!