Lee Smith (7) (1935–)

[from Amazon website]
Lee Smith is a Registered Master Plumber and certified vocational math instructor. His many years of practical and teaching experience in the pipe trades includes domestic and industrial work in the areas of refrigeration and air conditioning, deep sea diving vehicles, and nuclear piping. In addition to several certificates in the trades, Mr. Smith has held Master Plumber credentials for forty years. He earned his A.A.in applied science and technology from Thomas A. Edison State College, and his B.A. and M.A. degrees in education from Temple University.