Forum member. David Sandridge MD (1939 -2013). Major U.S. Army 1969 to 1972. Friend to many forum members here and avid golfer, he had lessons from most of the original Golfing Machine pioneers: Blake , Tommessello , Sloan , Doyle.
http://www.legacy.com/obituaries/cit...27#fbLoggedOut
RIP Doctor Dave. Thanks for sharing some of your video tapes with me.