He competed in two events at the 1936 Summer Olympics.

[1] Cornelius Jadwin was born in Wilmington, North Carolina on March 22, 1896, the son of Army officer Edgar Jadwin.

[2] He attended the United States Military Academy at West Point, and graduated in 1919.

[2] He died in Warrenton, Virginia on March 3, 1982.

This biographical article related to American equestrianism is a stub.