National Museum of Nuclear Science & History
Joseph Ryan was a staff worker at Los Alamos during the Manhattan Project.
Krazel worked in the 100 D Area at Hanford during the Manhattan Project.
Julia Elaine Freeman graduated high school early at age 16. She was also the only African American woman in her high school graduating class of 1940.
M. M. MacDonald worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Costa worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
