Frank E. Ortiz

Jack L. Callan

Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Crawford H. Greenewalt

Crawford Greenewalt (1902-1993) was an American chemical engineer. He was one of the managers of the Manhattan Project for DuPont.

Frank C. Keith

R. C. Theil

In the 1944 Hanford Phone Book, he is listed under R. C. Theil. In the 1945 Hanford Phone Book, he is listed under R.