F. C. Wierman

W. W. Wood

B. G. Rowland

B. G. Rowland worked for the United States Engineer District Office.

Nathan Ballou

Nathan Ballou (1919-2016) was an American chemist. He was born in 1919 in Rochester, Minnesota. In 1941 he received a bachelor’s degree from the Duluth State Teachers College (now the University of Minnesota Duluth).

Herman R. Meyer