Herman Landshoff, photographer2018-09-252018-09-251981http://172.16.52.76:80/cdm/ref/collection/coll4/id/20https://hdl.handle.net/20.500.12111/5367School of Natural Sciences Faculty member Roger Dashen at a blackboard.5x7B&WPermission to use this image must be requested from the Institute's Archives. Please contact archives@ias.edu.Dashen, Roger F.Institute for Advanced Study (Princeton, N.J.). School of Natural SciencesInstitute for Advanced Study (Princeton, N.J.)--FacultyRoger Dashen - at blackboardImage