Education and early professional experience; undergraduate studies at Princeton University; graduate studies at University of Illinois; Ph.D., 1949. Teaching at Stanford University and MIT during the 1950s. Involvement with JASON (Charles Townes) from 1960; JASON-PSAC relations; member of PSAC in 1966. Leaves Stanford for SLAC in 1963. Discussions of selection of members, projects in JASON; collaboration within, political views. Clearance levels and comparison of JASON research and academic physics.