The Caltech Image Archive is a digital collection of more than 10,000 images from the Caltech Archives. It includes historical and contemporary photographs of people and locations, images of historical artifacts from Caltech's laboratories, and reproductions of fine art and illustrations from rare books pertaining to the history of science and technology. The collection continues to grow.

Approximately 10,000 photographs

Copyright may not have been assigned to the California Institute of Technology Archives. All requests for permission to publish or quote must be submitted in writing to the Caltech Archivist. Permission for publication is given on behalf of the California Institute of Technology Archives as the owner of the physical items and, unless explicitly stated otherwise, is not intended to include or imply permission of the copyright holder, which must also be obtained by the reader.

The collection is open for research.