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Ex Libris Universum: From the Library of the Universe
Ex Libris Universum: From the Library of the Universe
This blog, published by AIP’s Niels Bohr Library & Archives, intends to do just that - bring you into the library of the universe. The librarians, archivists, historians, and special guest authors featured on this blog provide a behind the scenes look at the history and collections they preserve and make accessible, the hidden figures and stories they make known, and the services they provide to the history of science community and the public.
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Latest Articles
Ex Libris Universum
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The Future of Archives of Science: An Interview with Polina Ilieva
APR 15, 2026
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MAR 23, 2026
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A Life in Books
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Photos of the Month
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Ex Libris Universum
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April 13, 2026 09:05 AM
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Fermi in the Alps
February Photos of the Month
February 18, 2026 07:28 AM
Ex Libris Universum
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100 Years of Physics and Television
January 2026 Photos of the Month
January 26, 2026 12:33 PM
Ex Libris Universum
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ESVA x Taylor Swift
December Photos of the Month
December 12, 2025 07:51 AM
Ex Libris Universum
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The Faces of Sisters in Science
November Photos of the Month
November 19, 2025 08:18 AM
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Collections Spotlight
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Translating Science History
OCT 07, 2025
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Lloyd Espenschied’s Library of Electrical History
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Ex Libris Universum
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Stories from Black Physicists in Our Collections: Part Two
FEB 20, 2025
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Telegram Congratulations to J.H. Van Vleck in 1935
MAY 13, 2025
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The Power of Oral Histories
JUL 26, 2024
Ex Libris Universum
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Books on the Fringe
JAN 12, 2023
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Einstein and Humanism
JUN 25, 2020
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A Tale of Two Editions
OCT 22, 2019
Ex Libris Universum
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Letters From the Front: The Malcolm Thurgood Collection
JUL 07, 2025
Ex Libris Universum
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Nancy Grace Roman and Early Space Telescopes
JUN 26, 2024
Ex Libris Universum
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Science Communication Collections at the Niels Bohr Library & Archives
NOV 26, 2024
Ex Libris Universum
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Audible realities and phonic fantasies: The first major book on acoustics
APR 23, 2024
Ex Libris Universum
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Roger Bacon’s Optics
MAY 20, 2024
Ex Libris Universum
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What’s So Special About Nuclei and Particles
JUN 04, 2021
Ex Libris Universum
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Optimism and Other Poems
APR 13, 2021
Ex Libris Universum
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Quantum Quotes
APR 14, 2022
Ex Libris Universum
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Harvard Project Physics: The Role of History in Science Curriculum
SEP 12, 2019
Ex Libris Universum
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Letters, Names, and Physics Aims
FEB 15, 2024
Ex Libris Universum
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The Wide Wild World of Primary Sources
AUG 26, 2021
Ex Libris Universum
Article
Where the atomic nuclei are: Maurice Sendak, physics illustrator
DEC 13, 2024
Ex Libris Universum
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Conceptual Physics
APR 02, 2020
Ex Libris Universum
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A History Mystery: Adventures Identifying People in a Photograph
FEB 16, 2023
Ex Libris Universum
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Eclipse Expeditions 101: How to plan a solar eclipse expedition in the 19th and 20th century
APR 02, 2024
Ex Libris Universum
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Book Acquisitions: Library Slice of Life
APR 01, 2024
Ex Libris Universum
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Oral History Highlights: Should-Have Won-A-Nobel Edition
OCT 03, 2023
Ex Libris Universum
Article
Gravitation’s attraction, 50 years later
JUL 11, 2023
Ex Libris Universum
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When Marie Went Arm in Arm with Albert
MAY 22, 2023
Ex Libris Universum
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Happy Birthday to Us!
SEP 26, 2022
Ex Libris Universum
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Library Acquisitions: The Educational Edition
MAY 17, 2022
Ex Libris Universum
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One Inventory to Rule Them All
JAN 07, 2019
Ex Libris Universum
Article
Georges-Louis Leclerc, Comte de Buffon (1707-1788)
FEB 18, 2020
Ex Libris Universum
Article
Library Acquisitions Spotlight 2021 Part 1
SEP 22, 2021
Ex Libris Universum
Article
Pipes, Poems, and Physics
APR 27, 2022
Ex Libris Universum
Article
On 57 Diamonds from the Wenner Acquisition
JAN 14, 2022
Ex Libris Universum
Article
Bonnes Choses à Venir!
DEC 20, 2021
Ex Libris Universum
Article
Thankful for Unexpected Bookplates
NOV 19, 2021
Ex Libris Universum
Article
Acquisitions Spotlight 2020
APR 27, 2021
Ex Libris Universum
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Remembering the Trinity Test, Seventy-Five Years Later
JUL 10, 2020
Ex Libris Universum
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Fires, Freezers, and Digital Files: Film Preservation Basics
JUN 18, 2020
Ex Libris Universum
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R is for Rarity
JUN 11, 2020
Ex Libris Universum
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Splicing the Cable
MAY 05, 2020
Ex Libris Universum
Article
Past & Present: Connecting the Public With Einstein’s Theory of Relativity
APR 13, 2020
Ex Libris Universum
Article
Coloring Pages!
MAR 23, 2020
Ex Libris Universum
Article
Q&A with a Book Donor
NOV 18, 2019
Ex Libris Universum
Article
Magical Marbled Paper
SEP 06, 2019
Ex Libris Universum
Article
The OPQs of Ex Libris Universum
AUG 07, 2019
Ex Libris Universum
Article
Atomic Relations: John Dalton
JUL 02, 2019
Ex Libris Universum
Article
The JLMs of Ex Libris Universum
JUN 12, 2019
Ex Libris Universum
Article
The GHIs of Ex Libris Universum
MAY 28, 2019
Ex Libris Universum
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Hamilton Unboxed!
MAY 14, 2019
Ex Libris Universum
Article
The DEFs of Ex Libris Universum
APR 23, 2019
Ex Libris Universum
Article
A look at the first published periodic table
APR 09, 2019
Ex Libris Universum
Article
Kelvin, Wenner, and the Ages of the Sun and the Earth
FEB 27, 2019
Ex Libris Universum
Article
The ABCs of Ex Libris Universum
FEB 14, 2019
Ex Libris Universum
Article
Sweet Tones and Electrical Experimentation
JAN 25, 2019
Library
Article
Mystery Photos
JUN 06, 2018
Library
Article
Mystery Photos December 2018
NOV 27, 2018
Ex Libris Universum
Article
What’s in the Wenner Collection?
OCT 24, 2018
Ex Libris Universum
Article
The Wenner Collection
OCT 12, 2018
Ex Libris Universum
Article
Banned Books Week: Galileo’s Dialogue
SEP 24, 2018
Ex Libris Universum
Article
The Big Move
SEP 06, 2018
Library
Article
A Life in Books
MAR 10, 2026
Library
Article
Melba Phillips Papers Now Online
JUN 27, 2018
Library
Article
Gap in Goudsmit correspondence filled
DEC 13, 2017
Library
Article
New additions to NBL&A in 2015
FEB 12, 2016
Library
Article
Expanding NBL&A resources to include meteorology
MAY 20, 2015
Library
Article
New Valentine Telegdi Photo Collection
JUN 26, 2014
Library
Article
New to the archives - June 2014
JUN 12, 2014
Library
Article
Paul Forman book digitization project
MAY 30, 2014
Library
Article
Rheology Bulletin now available online
MAY 16, 2014
Library
Article
Found in the stacks: “Facts about the automobile”
APR 23, 2014
Library
Article
Inside the Papers of Karl K. Darrow
APR 10, 2014
Library
Article
Love, Literature, and the Quantum Atom
FEB 12, 2014
Library
Article
Victor Weisskopf Photo Album Reassembled
SEP 03, 2013
Ex Libris Universum
Article
Letters From the Front: The Malcolm Thurgood Collection
JUL 07, 2025
Ex Libris Universum
Article
Wartime Letters from an APS Member in China
JUN 10, 2025
Ex Libris Universum
Article
Bureaucratic Los Alamos and more
APR 25, 2025
Interviews
Ex Libris Universum
Article
Translating Science History
OCT 07, 2025
Ex Libris Universum
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Sources for Sisters in Science
JUN 30, 2025
Ex Libris Universum
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Vera Rubin: A Life, with Author Dr. Jacqueline Mitton
FEB 16, 2021
Ex Libris Universum
Article
Inside the International Atomic Energy Agency Archives Unit
JUL 11, 2025
Ex Libris Universum
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We Have Standards!
AUG 29, 2024
Ex Libris Universum
Article
Interview with Science Writer Dana D’Amico
SEP 14, 2023
Ex Libris Universum
Article
Einstein’s Witches’ Sabbath
JUL 07, 2022
Ex Libris Universum
Article
Q&A with a Book Donor
NOV 18, 2019
Ex Libris Universum
Article
Author Jamie Holmes: An Interview
SEP 08, 2020
Ex Libris Universum
Article
Author and Scientist Ainissa Ramirez: an Interview
APR 07, 2020
Ex Libris Universum
Article
The Uranium Club
JAN 23, 2024
Ex Libris Universum
Article
How Organizations & Teams Shape Science
FEB 11, 2025
Ex Libris Universum
Article
Mixed Signals: Alien Communication Across the Iron Curtain
JAN 14, 2025
Ex Libris Universum
Article
Working to Preserve The Man Who Weighed the World
OCT 31, 2024
Ex Libris Universum
Article
Approaches to Strategic Science Communication
OCT 24, 2024
Ex Libris Universum
Article
Setting the Standard
AUG 20, 2024
Ex Libris Universum
Article
Galaxies: An Interview with Author Or Graur
AUG 08, 2024
Ex Libris Universum
Article
Transistors and Pan Am Airlines: Frontiers in History
NOV 14, 2023
Ex Libris Universum
Article
National History Day Interviews: Debate, Diplomacy, and Climate Change
DEC 08, 2022
Ex Libris Universum
Article
Supernova: An Interview with Author Or Graur
OCT 20, 2022
Ex Libris Universum
Article
National History Day Interviews: Computing for the Win
NOV 12, 2021
Ex Libris Universum
Article
Scientific Journeys with Author Fred Dylla
SEP 09, 2021
Ex Libris Universum
Article
Discussing the New Book, The Soul of Genius, with Author Jeffrey Orens
JUL 01, 2021
Ex Libris Universum
Article
Your Memoir Matters
AUG 08, 2025
Ex Libris Universum
Article
Out of the Box
SEP 02, 2025
Behind the Scenes
Ex Libris Universum
Article
What do you do with 30,000 photographs?
SEP 16, 2025
Ex Libris Universum
Article
Out of the Box
SEP 02, 2025
Ex Libris Universum
Article
Research of Underrepresented Voices: Primary Crumbs vs. Secondary Loaves
AUG 04, 2022
Ex Libris Universum
Article
R is for Rarity
JUN 11, 2020
Ex Libris Universum
Article
Archives Are: A Poem
OCT 27, 2022
Ex Libris Universum
Article
Field Study with Niels Bohr Library & Archives
MAY 29, 2025
Ex Libris Universum
Article
The New Library & Archives Vault
MAR 22, 2022
Ex Libris Universum
Article
Happy Birthday to Us!
SEP 26, 2022
Ex Libris Universum
Article
Handling Rare Books
DEC 19, 2018
Ex Libris Universum
Article
Fires, Freezers, and Digital Files: Film Preservation Basics
JUN 18, 2020
Ex Libris Universum
Article
Radiation Facility Tour
DEC 19, 2023
Ex Libris Universum
Article
Setting the Standard
AUG 20, 2024
Ex Libris Universum
Article
SPS Interns – Where are They Now? Part 1
JAN 09, 2024
Ex Libris Universum
Article
SPS Interns – Where are They Now? Part 2
MAR 22, 2024
Ex Libris Universum
Article
Museum Tour
FEB 14, 2022
Ex Libris Universum
Article
The Role of a Library Project Assistant
NOV 09, 2020
Ex Libris Universum
Article
For the Love of Books
JAN 30, 2020
Ex Libris Universum
Article
For the Love of Information
JAN 14, 2020
Ex Libris Universum
Article
The Big Move
SEP 06, 2018
Ex Libris Universum
Article
Adding Your Photos to the Story of Science is Now Easier Than Ever
JUL 22, 2025
Wikipedia Dispatches
Ex Libris Universum
Article
Titus Pankey and his groundbreaking supernova light curve
FEB 05, 2024
Ex Libris Universum
Article
Wikipedia Dispatches: Bringing the Ronald Mickens Collection on African-American Physicists to Wikipedia
MAY 29, 2023
Ex Libris Universum
Article
Wikipedia Dispatches: What Does a Wikipedian-in-Residence Do?
FEB 09, 2023
Ex Libris Universum
Article
Wikipedia Dispatches: LGBTQ Physicists and Astronomers
JUN 26, 2023
Ex Libris Universum
Article
#1Lib1Ref: A Wikipedia Challenge
JAN 23, 2020
Librarian Recommendations
Ex Libris Universum
Article
Book Recommendations for Each Dungeons & Dragons Class - Part 1
SEP 22, 2025
Ex Libris Universum
Article
Hispanic Heritage Month Reading Recommendations from NBLA
SEP 30, 2024
Ex Libris Universum
Article
Indigenous History Month Book Recommendations (& more)
NOV 15, 2022
Ex Libris Universum
Article
Physics and Food! A Guide to Cookbooks at NBLA
AUG 14, 2024
Ex Libris Universum
Article
We Have Standards!
AUG 29, 2024
Ex Libris Universum
Article
Pride Month Book Recommendations
JUN 23, 2021
Ex Libris Universum
Article
Pride Month Podcast Recommendations
JUN 16, 2022
Ex Libris Universum
Article
Women’s History Month Graphic Novel and Picture Book Recommendations
MAR 20, 2023
Ex Libris Universum
Article
Women’s History Month Podcast Recommendations
MAR 24, 2022
Ex Libris Universum
Article
Black History Month Book Recommendations
FEB 03, 2022
All Articles
Ex Libris Universum
Article
The Future of Archives of Science: An Interview with Polina Ilieva
APR 15, 2026
Ex Libris Universum
Article
Colonial Calcutta as a Nexus of Scientific Development
APR 13, 2026
Ex Libris Universum
Article
Access to Oppenheimer, In His Own Words
APR 08, 2026
Ex Libris Universum
Article
The Life and Legacy of Hertha Sponer
APR 06, 2026
Ex Libris Universum
Article
Into the Gloria Lubkin papers: A behind-the-scenes look at her reporting in China for Physics Today
APR 02, 2026
Ex Libris Universum
Article
Who was Irina Zaslavskaya?
MAR 27, 2026
Ex Libris Universum
Article
In Her Own Words: Black Women Scientists Reflect on Meaningful Accomplishments
MAR 23, 2026
Library
Article
A Life in Books
MAR 10, 2026
Ex Libris Universum
Article
Ronald E. Mickens Collection Now Online
FEB 24, 2026
Ex Libris Universum
Article
Fermi in the Alps
FEB 18, 2026
Ex Libris Universum
Article
Stories from Black Physicists in Our Collections: Part Three
FEB 09, 2026
Ex Libris Universum
Article
Help Close the Discoverability Gap: Join the Wikipedia Edit-a-thon for Women in Science
FEB 03, 2026
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