H. A. Andrews

C. W. Robert

C. W. Robert worked for the H. K. Ferguson Company.

A. L. Bladholm

A. L. Bladholm worked for the J.A. Jones Construction Company.

Crawford H. Greenewalt

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

L. A. Kaiser