Photographer unknown2018-09-212018-09-211931http://172.16.52.76:80/cdm/ref/collection/coll8/id/119https://hdl.handle.net/20.500.12111/1292Albert Einstein (left) with his assistant, Walter Mayer (center), and Charles Edward St. John (right) in Pasadena, California. Charles Edward St. John was an astronomer who was on the staff of the Mt. Wilson Observatory. This photograph was likely taken during a visit by Einstein to the Observatory.SepiaThis item is protected by copyright and/or related rights. However, for this item, either (a) no rights-holder(s) have been identified or (b) one or more rights-holder(s) have been identified but none have been located. Researchers are free to use this item in any way that is permitted by the copyright and related rights legislation that applies to their use. For more information, see https://rightsstatements.org/page/InC-RUU/1.0/?language=enEinstein, Albert, 1879-1955Mayer, W. (Walther), 1887-1948St. John, Charles E. (Charles Edward), 1857-1935Image