William B. Rudolph, Ph.D., is Emeritus Professor of Mathematics and Emeritus Professor of School of Education at Iowa State University, Ames, Iowa. He earned a B.A. at Bethany College, Bethany, West Virginia in 1960; and an M.S. and Ph.D. at Purdue University, West Lafayette, Indiana, in 1965 and 1969, respectively. Dr. Rudolph has written numerous articles for professional journals, and has done research on the readability of mathematics materials. Source: [Iowa State University](https://catalog.iastate.edu/faculty/)