Urpo Koskela

William J. Martin

H. T. Welty, Jr.

H. T. Welty, Jr. worked for the Roane-Anderson Company.

William H. Hartwig

Mary M. Wahl

Mary Wahl (1916-2007) was an American mathematician.  Wahl was born in Ottumwa, Iowa. She studied at the University of Iowa and Columbia University.