Please contact the contributing institution for more information regarding the copyright status of this object.
Description
Taken during Gregory's trip to France to meet with Rudolph Berthon, inventor of a three-color process for motion picture film, ca. 1930. [The other man was not identified; perhaps it is Joseph Gambs or Albert Keller-Dorian.]
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.