born Nov. 16, 1881, Camden, N.J., U.S.
died April 30, 1983, Kensington, Calif.
U.S. educator and chemist.
He taught principally at the University of Pennsylvania and University of California at Berkeley. His 1924 monograph on the solubility of nonelectrolytes, Solubility , was the classic reference for almost half a century. His many scientific papers and chemistry texts include An Introduction to Molecular Kinetic Theory (1963) and Viscosity and Diffusivity (1977). He received the Distinguished Service Medal in 1918 and the King's Medal (British) in 1948.