“Student Peace Union (SPU) was a nationwide student organization active on college campuses in the United States from 1959 to 1964. Its national headquarters were located near the campus of the University of Chicago. The SPU was founded by Ken Calkins, who had gained notoriety when his pelvis was fractured when he sat in front of a truck during a pacifist demonstration against nuclear weapons at the first Atlas Missile site 20 miles northwest of Cheyenne, Wyoming. He had returned to Chicago and became educational director for the local American Friends Service Committee. As part of his duties in that position he conducted a number of peace seminars at local Chicago high schools, where he developed a number of contacts with local students. By the spring of 1959 this network had been organized in the Student Peace Union and by the end of the school year…