Larry Washington is a professor of Mathematics at the University of Maryland in College Park. He earned his Ph.D. from Princeton University under the supervision of Kenkichi Iwasawa. He has published over 50 research papers and has supervised 25 Ph.D. students. He is the author or coauthor of the following books: Cyclotomic Fields, Elliptic Curves - Number Theory and Cryptography, An Introduction to Number Theory with Cryptography (with James S. Kraft), Introduction to Cryptography with Coding Theory (with Wade Trappe), and Elementary Number Theory (with James S. Kraft).