All

Glenn W. Billman

Graduation Year:[ba_dual_button btn_alignment="center" btn_a_text="Go Back" btn_a_link="" btn_b_text="Home" btn_b_link="" button_gap="10px" _builder_version="4.25.2" _dynamic_attributes="btn_a_link,btn_b_link" _module_preset="default" custom_btn_a="on"...

Karvel Kuhn Thornber

James Kallis

Caltech Mourns the Loss of Trustee Walter Burke

Previous Next

1 2 3 4

San-Chiun Shen

PhD
’
51

Caltech Mourns the Passing of Professor Clarence Allen (MS ’51, PhD ’54)

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.

A New Mission

On February 18, 2021, NASA’s Perseverance rover landed in Jezero Crater on Mars. The team identified Jezero Crater as an ancient lakebed, illustrated here—as it may have been billions of years ago—filled with water.