PASADENA, California, Feb. 7 -- The California Institute of Technology posted the following news: * * * Caltech Mourns the Passing of George Rossman (1944-2026) * George Rossman (PhD '71), professor of mineralogy, emeritus, passed away on February 6, 2026. He was 81. Rossman was born on August 3, 1944, in La Crosse, Wisconsin. He spent his childhood in Eau Claire, Wisconsin, a lumber town in the state's densely wooded northwest. Rossman cultivated a passion for the natural sciences through more PR