National Museum of Nuclear Science & History
Tracy worked for Stone and Webster Engineering Corporation.
W. M. Hopkins worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William J. Van Buskirk was a machinist who worked at Los Alamos for over three decades. Van Buskirk started working at Los Alamos in 1943, a year after he graduated from high school.
Williams worked for Stone and Webster Engineering Corporation.
