Arnold R. Steffensen

Arnold R. Steffensen, Ed.D., was Associate Professor of Mathematics at Northern Arizona University, Flagstaff, Arizona, beginning in 1968. He received his B.A. from the University of Northern Colorado; his M.S. from Colorado State University; and his Ed.D. from the University of Northern Colorado. He authored numerous mathematics textbooks individually and as co-author with L. Murphy Johnson.

Source: [Northern Arizona University](https://cf.nau.edu/library/sca/exhibits/catalogs/catalog1981_1983/catalog1981_1983_faculty.pdf)