About the Author

Thomas W. Hungerford received his M.S. and Ph.D. from the University of Chicago. He has taught at the University of Washington and at Cleveland State University, and is now at St. Louis University. His research fields are algebra and mathematics education. He is the author of many notable books for undergraduate and graduate level courses. In addition to ABSTRACT ALGEBRA: AN INTRODUCTION, these include: ALGEBRA (Springer, Graduate Texts in Mathematics, #73. 1974); MATHEMATICS WITH APPLICATIONS, Tenth Edition (Pearson, 2011; with M. Lial and J. Holcomb); and CONTEMPORARY PRECALCULUS, Fifth Edition (Cengage, 2009; with D. Shaw). Douglas Shaw received his M.S. from the University of Illinois and Ph.D. from the University of Michigan. He was a visiting professor at the University of Minnesota, and is currently at the University of Northern Iowa. His research is in combinatorics, number theory, and tertiary mathematics education. He has written instructor's guides for Brooks/Cole and worked on many other ancillaries as well. When he took Abstract Algebra in graduate school, he used one of Thomas Hungerford's texts and never sold it back to the bookstore.