After coaching he served as a corporate attorney in the steel industry until he retired in 1969 Dunn was born and raised in Wilkes-Barre, Pennsylvania where attended the local schools.
[3] While at Dickinson he was member of many organizations including the Student Senate, Sigma Alpha Epsilon fraternity, as well as serving as president of the Athletic Association.
A well rounded student he also sang with the Glee Club and sat on the editorial board of the college yearbook.
It was giving to him by two upperclassman that happen to run into the incoming freshman at the Harrisburg, Pennsylvania train station.
[4] The next year under new coach Simon F. Pauxtis, Dunn teamed up Hyman Goldstein in Dickinson backfield.
Dickinson started the season with a 17–0 loss to cross town rival Carlisle Indian Industrial School that featured Jim Thorpe and was coached by Pop Warner.
In addition to their scheduled games, Dickinson and the Carlisle Indian Industrial School would play midweek scrimmages throughout the season.
Dunn ran for 124 yards against a Swarthmore team that had beaten powers Penn, Navy and Lafayette.
[3] When he finished playing football Dunn had numerous Dickinson College records including most points in one game (30), most points in a season (84), most yards rushing in a season (114 carries for 959 yards), along with most of the other rushing and scoring records.
[2] To earn extra money while attending law school, Dunn took a part-time job as the head football coach for the Dickinson College.
[2] Thorpe was tipped off by a teammate, Gus Welch, that Dunn was planning on playing for the Bulldogs' arch rival, the Massillon Tigers.
While teaching at the Tome School, a father of one of the students approached Dunn to take a legal position at the Cambria Steel Company in Johnstown, Pennsylvania.