Bowman coached several high school and college football teams. He was the 27th head football coach for the Wabash College Little Giants located in Crawfordsville, Indiana and he held that position for three seasons, from 1971 until 1973. His career coaching record at Wabash was 14 wins, 16 losses, and 0 ties. This ranks him 11th at Wabash in total wins and 20th at Wabash in winning percentage (.467).
Bowman died in 1983 at the age of 52 from complications of pneumonia in an Edmond, Oklahoma hospital. He was survived by his parents; his wife, Mary; his son, Bill; and three daughters, Stacy, Lori, and Jenny.