National Museum of Nuclear Science & History
Walter M. Longfelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. O. Nelson worked for the J.A. Jones Construction Company.
Morris “Moe” Berg (1902-1972) was an American catcher in Major League Baseball from 1926-1939. He later became a spy for the Office of Strategic Services during World War II.
