Robert Howard teaching Caltech graduate students in conference room in the new wing of Mount Wilson Observatory Office Building, Pasadena. The five unidentified male students have their backs to the camera; they are seated around a rectangular table. Papers and ashtrays are seen on the table. Howard is standing at and pointing to the blackboard at one end of the room. Several closed doors are seen behind Howard. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
If you're wondering about permissions and what you can do with this item, a good starting point is the "rights information" on this page. See our terms of use for more tips.
Share your story
Has Calisphere helped you advance your research, complete a project, or find something meaningful? We'd love to hear about it; please send us a message.