Randall J. Hartman has been constructing crossword puzzles since 1994. He is the author of Crosswords Over Easy,Cakewalk Crosswords, Crosswords Made Easy, andRest EasyCrosswords.Hartman is a retired civil engineer who managed water projects in California. He is an adjunct professor at a university in Southern California, where he teaches engineering and construction management classes. He has been ranked as one of the top college wrestling referees in the country for several years, and has officiated the NCAA Division I national championship seven times. He lives in Escondido, CA.