National Museum of Nuclear Science & History
Jay Scherer was a staff worker at Los Alamos during the Manhattan Project.
Robley "Rob" Johnson arrived at Hanford on May 2, 1943, at the age of 35. He was one of the first repersentatives of the DuPont Company on the scene.
Seymour Calvert served for 11 months in the Special Engineering Detachment at Los Alamos. He specialized as a chemical engineer, and carried out experiments with beryllium that were often dangerous.
Tranquilino Armigo was a staff member at Los Alamos during the Manhattan Project.
