Alan Richards, photographer2018-09-252018-09-251957http://172.16.52.76:80/cdm/ref/collection/coll4/id/570https://hdl.handle.net/20.500.12111/4985Formal portraits of Chen-Ning Yang (楊振寧) and Chih-li Tu (杜致禮).B&WPermission to use this image must be requested from the Institute's Archives. Please contact archives@ias.edu.Yang, Chen-Ning (楊振寧), 1922 -Institute for Advanced Study (Princeton, N.J.). School of Natural SciencesInstitute for Advanced Study (Princeton, N.J.)--FacultyTu, Chih-li (杜致禮)Image