Yuri I. Galperin, head of the Laboratory of Auroral Physics Phenomena at the Space Research Institute of the Russian Academy of Sciences, passed away on 28 December 2001 due to a heart attack. He was a pioneer of auroral and upper atmospheric physics and contributed significantly to the development of space plasma physics. He had been an AGU member (SM) since 1974.
Galperin authored and co-authored more than 200 publications in scientific journals and was a co-author of three monographs on experimental space physics. In addition to AGU, Galperin was a member of many scientific councils in Russia, and he had also been a member of the International Astronomical Union since 1958 and the International Academy of Astronautics since 1975.