Competed in both road and speedway races during the 1920's and 1930's, occasionally winning the odd race. Prentiss, a qualified mechanical engineer, designed, built and raced his own Prentiss Special, which was a bobtail racer, before building bigger cars by the time the 1930's came along. As well as races, Prentiss also attempted a number of time trials. One of Prentiss' most notable wins came in 1927, when he won the Fall Speed Classic 10 Mile race at Oakley in Kansas.

Biography last updated 14 Aug 2017