Thomas Koshy, Ph. D., is Professor of Mathematics at Framingham State College, Framingham, Massachusetts. He received Faculty of the Year Award in 2007. He is the author of seven books and numerous articles on a wide spectrum of topics. His "Fibonacci and Lucas Numbers with Applications," published by Wiley, won the Association of American Publishers' new book award in 2001. The second edition of his popular "Elementary Number Theory with Applications," published by Academic Press appeared in 2007.