Envelope reads, "Livermore Radiation Lab. Pacifists & opponents. 12/21/61." Negative shows a group of men and several young boys holding picket signs as they stand in front of the parking lot in front of the University of California Radiation Lab, Livermore Site [Lawrence Livermore Lab]. The men are holding picket signs and wandering around. The signs says "The 'Peace Vigil' is Communist inspired" and another "The 'Peace Vigil' is Red," "Americans are fighters not pacifists!," "Remember Pearl Harbor, Americans be prepared," "Peace Like Hungary?" In the parking lot behind the demonstrators are two men changing a tire on a Chevy truck and several parked cars. The Lawrence Livermore National Laboratory, which specializes in weapons research, was built in Livermore by the Atomic Energy Commission in 1952 and under the management of the University of California and affilated with Lawrence Berkeley Lab until 1971.