DUANE DETEMPLE, PHD, is Professor Emeritus in the Department of Mathematics at Washington State University (WSU). He is the recipient of the 2007 WSU Sahlin Faculty Excellence Award for Instruction as well as the Distinguished Teaching Award from the Pacific Northwest Section of the Mathematical Association of America.

WILLIAM WEBB, PHD, is Professor in the Department of Mathematics at Washington State University and President of the Fibonacci Association. His research interests include the properties of recurrence sequences and binomial coefficients. He is the author of numerous research publications on combinatorics, number theory, fair division, and cryptography.