1955-1959: Stuyvesant High School; employed as Assistant Engineer by Edmund C. Berkeley, a founder of the Association for Computing Machinery. 1959-1973: Studied mathematics at the Columbia University School of Engineering, combined with full-time employment as an Engineering Assistant at the Columbia University Electronic Research Laboratories. With Eagle Mathematics Group (Founded by Ralph Abraham at Princeton University), published textbooks conforming to guidelines of the Committee on the Undergraduate Program in Mathematics (CUPM). I illustrated "Calculus of Elementary Functions, Volume 1...