Terry Henshaw, now deceased, was a consulting engineer who designed centrifugal pumps, reciprocating pumps and related high-pressure equipment and conducted pump seminars. For 30 years, he was employed by Ingersoll-Rand and Union Pump. Henshaw authored a book on reciprocating pumps, several magazine articles and the two sections on pumps in Marks' Handbook (11th Edition). He was active in the Hydraulic Institute and was awarded six patents. He held engineering degrees from Rice University and the University of Houston.