On Caltech News

Clarence Allen (MS ’51, PhD ’54), professor of geology and geophysics, emeritus, and a prominent seismologist, passed away on January 21, 2021. He was 96 years old.

Caltech will hold a virtual degree conferral and graduation ceremony on Friday, June 11, 2021.

The largest, most advanced rover NASA has sent to another world touched down on Mars Thursday, after a 203-day journey traversing 293 million miles. Confirmation of the successful touchdown was announced in mission control at the Jet Propulsion Laboratory, which Caltech manages for NASA, at 3:55 p.m. EST (12:55 p.m. PST).

George Rossman (PhD ’71), professor of mineralogy, has been awarded the 2021 Roebling Medal by the Mineralogical Society of America (MSA).