Wallace Caughey Caldwell received his M.S. (1940) in physics from Iowa State College (University). He joined the staff of the Physics Department at Iowa State as Assistant Professor (1948) and then became Associate Physicist (1950). He was eventually named Adjunct Professor (1983-1995) and Emeritus Adjunct Professor (1995-present) in the Department of Electrical Engineering and Computer Engineering at Iowa State.
From the description of Papers, 1983-2003. (Iowa State University). WorldCat record id: 192101351