Ph.D. in Applied Mathematics (1979), M.S. in Applied Mathematics (1976) and Statistics (1979), Michigan State University

B.A. in Mathematics and Physics (1974) University of San Diego

Coauthor (with Margaret L. Lial and Nathan P. Ritchey) of the texts Finite Mathematics, Calculus with Applications, and Calculus with Applications for the Life Sciences published by Pearson

Webmaster and liaison coordinator (as well as former chair and governor) of the Metropolitan New York Section of the Mathematical Association of America. I also give talks on mathematics and magic as part of the Section's Mathematics Speakers Bureau.

Hofstra Coordinator for the William Lowell Putnam Mathematical Competition

Faculty advisor for the Hofstra Christian Fellowship, a chapter of Intervarsity Christian Fellowship

Leader for the Inner City Outings program of the Sierra Club

I attend the Vineyard Church in Rockville Centre, New York.

Member of the Association of Christians in the Mathematical Sciences

My curriculum vitae

Recent preprints:

• Combinatorics and statistical issues related to the Kruskal-Wallis statistic (with Anna E. Bargagliotti) (slides here)
• Statistical significance of ranking paradoxes (with Anna E. Bargagliotti)
• Solving linear diophantine matrix equations using the Smith normal form (more or less) (with Stanley Kertzner)

C++ programs for recent statistics paper:

• Approximation to Kolmogorov-Smirnov statistic for Tables 1-6
• Exact values of Kolmogorov-Smirnov statistic for Tables 1-6
• Simulation of two-sample Kolmogorov-Smirnov test for Tables 7-9

My wife, my dogs, and my cat

Why golden retrievers are so named

A true inspirational dog story

Pictures, stories, and video from travel and outdoor activities

My article in the May 2007 issue of Nonsense

My cartoon in the May 2012 issue of Nonsense

Consider sponsoring a child through World Vision!

Hofstra University Department of Mathematics

Hofstra University home page