National Museum of Nuclear Science & History
Rife worked for Stone and Webster Engineering Corporation.
Harry Webb worked for the J.A. Jones Construction Company.
John Attanas was born in 1920 and grew up on farm near Kingston, New York. After graduating from Georgia Tech in 1942 with a degree in chemical engineering, he worked in a chemistry lab at the Remington Arms Company.
Louis Slotin (1910-1946) was a Canadian physicist. Shortly after World War II, he died from radiation sickness contracted during a dangerous experiment conducted at Los Alamos.