National Museum of Nuclear Science & History
Mathias A. Klinger was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Lynn worked in the 300 Area at Hanford during the Manhattan Project.
Helen Atchley worked at the Y-12 Plant during the Manhattan Project. She and her best friend, Dorothy Stinnett, are both pictured in Ed Westcott’s famous photograph of people going to work in the Y-12 Plant.
Carl Helmholz (1915-2003) was an American physicist involved with the Manhattan Project. Helmholz was born on May 24, 1915 in Evanston, Illinois.
