leaders in the space sciences. Simpson has also provided lectures to the public using funds in 1974 which came from his Compton Chair in an attempt to reach a larger audience with his research. In 1982, he also established and became the first chairman of the Universities Space Science Working Group in Washington, D.C., in order to represent the space science laboratories in their dealings with the US Congress and NASA. References External links Guide to the John A. Simpson Papers 1940-1988 and Addenda at the University of Chicago Special Collections Research Center 1916 births 2000 deaths Scientists from Portland, Oregon Reed College alumni American nuclear physicists Manhattan Project people Members of the United States National Academy of Sciences Cosmic ray physicists Fellows of the American Physical Society