California Institute of Technology
Welcome to the Caltech Archives


The Caltech Archives
were formally established in 1968 to serve as the collective memory of the California Institute of Technology. Our mission is to preserve and make accessible the institutional records, personal papers, documents, artifacts and pictorial materials that tell the school's history.

The Archives' unique research collections in the history of science and technology range from the time of Copernicus to today. They are available to the campus community for instructional and research purposes, as well as to qualified non-campus users by appointment.

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Images above are from the Caltech Image Archive, an online, searchable database of thousands of images.

In the News

Stanley papers collection guide online
Gordon J. Stanley (1921-2001) was a key contributor to radio astronomy, both in Australia and the United States. A researchble collection guide has been published online at the Online Archives of California (OAC). Learn more. 6-10-2014

Collections in preparation: Aron Kuppermann
KuppermannProfessor Aron Kuppermann (1926-2011) was a leader in the field of computational chemistry and was best known for his theoretical studies of the dynamics of chemical reactions. His collection of papers covering different aspects of his work was recently donated to the Caltech Archives. 1-15-2014

50th anniversary of quark models:
Gell-MannMurray Gell-Mann oral history available online. 12-6-2013

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Talk of the Archives


NEW! Visit the online exhibit here

Early printed editions of classical Greek mathematics from the Caltech Archives’ collection are on exhibit from April 7 through July 31, 2014. Beginning with the first edition of the complete known works of Archimedes in both Greek and Latin published in Basel in 1544, the display includes 16th-century Italian editions of Euclid and Archimedes that were used by Galileo in his mathematical studies.

Portrait of Archimedes from the 1792 Oxford edition of his works in Greek and Latin.  Caltech Archives Rare Book Collection.

The first English translation of Euclid’s Elements from 1570 and editions of Archimedes and Apollonius of Perga published in the 18th century by the Oxford press are shown, as well as the 17th-century French edition of Diophantus of Alexandria’s Arithmetica—the work that inspired Pierre de Fermat’s last conjecture. The exhibit is located on the second floor of Parsons-Gates Hall of Administration and may be viewed during weekdays, 8:30 AM – 4:30 PM. The Caltech exhibit complements the Huntington Library’s “Lost & Found: The Secrets of Archimedes” (March 15-June 22, 2014). Posted 4-16-2014

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