In Memoriam

Prof. Dr. Johannes Geiss, Honorary Director of the International Space Science Institute (ISSI) in Bern and External Scientific Member of the Max Planck Institute for Solar System Research (MPS), passed away in January. He was 93 years old. Geiss was born on September 4, 1926, in Stolp in what was then Western Pomerania as the son […]
 
Adam Showman, a Professor of Planetary Sciences at the University of Arizona’s Lunar and Planetary Laboratory, passed away suddenly on March 16, 2020. Showman had a wide range of interests and expertise. Most notably he was an expert in both the atmospheres and interiors of planets. His atmospheric work concentrated on giant gaseous planets like Jupiter, […]
 
Emeritus Professor William A. Cassidy of the Department of Geology and Environmental Science at the University of Pittsburgh passed away on March 22, 2020. Cassidy is best known for creating the Antarctic Search for Meteorites (ANSMET) program in 1976, serving as its Principal Investigator for nearly 20 years. Cassidy, a World War II veteran and Fulbright scholar, […]