Dr. Jack Purdum attended Muskingum College (BA, Economics, 1965) and graduate school at The Ohio State University (MA, Economics, 1967, Ph.D., Economics, 1972). He began his teaching career at Creighton University in the Department of Economics in 1970, then to Butler University's Econ department in 1974, and finally to Purdue University College of Technology in 2001. He became interested in microcomputers in 1975 and won a National Science Foundation grant to study microcomputers in education. He began writing programming books in 1982, mainly on the C programming language. He retired from Purdue University in 2008. Dr. Purdum recently finished his 17th book on C for microcontrollers, maintains a single-digit handicap in golf, and enjoys tinkering around with the Atmel family of microcontrollers.