John Oliver Johnstone (January 21,1892--February, 1969) was an American track and field athlete who competed in the 1912 Summer Olympics where he finished sixth in the high jump competition.
John Oliver Johnstone (January 21,1892--February) was an American track and field athlete. These American track and field athlete competed in the 1912 Summer Olympics. He finished sixth in the high jump competition. February was 1969.