Professor Yodh (1928-2019) was born in Ahmedabad, India. He earned
his B.Sc. (Hon) at the University of Bombay (now Mumbai) in 1948, and
received his Ph.D. from the University of Chicago in 1955. His research
interests spanned particle physics and cosmic ray astrophysics. His
contributions to the field include extracting rising proton-air cross
sections from the analysis of cosmic ray data, developing early
transition radiation detectors for particle detection, measuring time
delays of hadrons in shower cores to deduce that the knee was
associated with an increase of heavy components in cosmic rays, and
developing continuously operating ground-based water Cherenkov gamma
ray telescopes to study VHE gamma rays and search for sources of
cosmic rays. His academic associations were with Stanford, TIFR,
Carnegie Mellon, and Maryland before coming to UC Irvine. He was a
Fellow of the American Physical Society, the American Association for
the Advancement of Science, and the UK Institute of Physics, and he
was also a remarkably accomplished sitar player. In addition to the
Yodh Prize, he and his wife established a yearly prize for the most
outstanding experimental thesis student at the University of Chicago.
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