National Museum of Nuclear Science & History
Hannibal Fraga was an engineer. He joined the Manhattan Project in the fall of 1944. He worked in the inspection department at Los Alamos.
William Crum was born on September 4, 1925, in Hancock County, IL. He was the seventh of eight siblings who grew up on a farm in Western Illinois near the Mississippi River.
R. K. Dean worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Markle worked for Stone and Webster Engineering Corporation.
