Author: Arnold R. Steffensen
Alternate names: Arnold J. Steffensen; Arnold Steffensen
Born: 1942
Bio: 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)