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.SepiaPermission to use this image must be requested from the Institute's Archives. Please contact archives@ias.edu.Einstein, Albert, 1879-1955Mayer, W. (Walther), 1887-1948St. John, Charles E. (Charles Edward), 1857-1935Image