Dr. Larry J. Goldstein has received several distinguished teaching awards, given more than fifty Conference and Colloquium talks and addresses, and written more than fifty books in mathematics and computer programming. He received his Ph.D. in 1967 at Princeton University, Princeton, New Jersey, and his B.A. and M.A. at the University of Pennsylvania, Philadelphia, Pennsylvania. He also teaches part time at Drexel University, Philadelphia, Pennsylvania. Source: [About the Author](https://www.amazon.com/Calculus-Applications-12th-Larry-Goldstein/dp/0321571304)