Photographer unknown2018-09-252018-09-251969http://172.16.52.76:80/cdm/ref/collection/coll3/id/490https://hdl.handle.net/20.500.12111/4565Attending a social gathering of the School of Mathematics hosted by Louise and Marston Morse, are (l. to r.): Professor and Mrs. Michael Jerome O'Neill, Graeme Bryce Segal, and Peggy and Roger W. Richardson, Jr. Louise Morse notes that this is the "third party."SepiaPermission to use this image must be requested from the Institute's Archives. Please contact archives@ias.edu.Image