Photographer unknown2018-09-252018-09-25undatedhttp://172.16.52.76:80/cdm/ref/collection/coll3/id/52https://hdl.handle.net/20.500.12111/4775Mathematicians Solomon Lefschetz and James Alexander, of Princeton University. Alexander later joined the Faculty of the Institute for Advanced Study.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=enAlexander, James W., 1888-1971Lefschetz, Solomon, 1884-1972Institute for Advanced Study (Princeton, N.J.). School of MathematicsImage