National Museum of Nuclear Science & History
Frank Pratt worked for the J.A. Jones Construction Company.
Attended New York University.
Knight worked in the 200 West Area at Hanford during the Manhattan Project.
Mehann worked in the 200 West Area at Hanford during the Manhattan Project.
Myrtle E. Karcher was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.