National Museum of Nuclear Science & History
Joseph W. Kennedy (1916-1957) was an American chemist. In 1940 he co-discovered plutonium with Glenn Seaborg, Edwin McMillan, and Arthur Wahl.
Karl Walther was a glassblower for Columbia University and Brookhaven National Laboratory. During the Manhattan Project, Walther worked as a senior glassblower at the Nash Garage Building at Columbia, where scientists developed the gaseous diffusion process.
Clyde Howard worked for the Tennessee Eastman Corporation at the Y-12 Plant.