John F. "Jack" Tobin was an American college football

College football

College football refers to American football played by teams of student athletes fielded by American universities, colleges, and military academies, or Canadian football played by teams of student athletes fielded by Canadian universities...

 player and coach. Tobin attended the University of Chicago

University of Chicago

The University of Chicago is a private research university in Chicago, Illinois, USA. It was founded by the American Baptist Education Society with a donation from oil magnate and philanthropist John D. Rockefeller and incorporated in 1890...

, where he played college football

College football

College football refers to American football played by teams of student athletes fielded by American universities, colleges, and military academies, or Canadian football played by teams of student athletes fielded by Canadian universities...

 under head coach Amos Alonzo Stagg

Amos Alonzo Stagg

Amos Alonzo Stagg was an American athlete and pioneering college coach in multiple sports, primarily American football...

. He was a "star guard

Guard (American football)

In American and Canadian football, a guard is a player that lines up between the center and the tackles on the offensive line of a football team....

" for the Maroons

Chicago Maroons football

The Chicago Maroons are the college football team representing the University of Chicago. The Maroons play in NCAA Division III as a member of the University Athletic Association. From 1892 to 1939, the Maroons were a major college football power...

 during the 1904 season. In 1905, he served as head coach at Tulane University

Tulane University

Tulane University is a private, nonsectarian research university located in New Orleans, Louisiana, United States...

 alongside assistant Harry Ludlow for the 1905 season

1905 college football season

The 1905 college football season had no clear-cut champion, with the Official NCAA Division I Football Records Book listing Chicago and Yale Bulldogs football as national champions.-Rule experiment:...

. Tulane lost its only game, 5–0, that year. Tulane accused its opponent, Louisiana State, of using ineligible players, and the disagreement resulted in a hiatus of the series

Battle for the Rag

The Battle for the Rag is an American college football rivalry game played by the LSU Tigers football team of Louisiana State University and the Tulane Green Wave football team of Tulane University...

 until 1911. In October, he returned to play for the Chicago team. In December 1905, he accepted the position of athletic director

Athletic director

An athletic director is an administrator at many American colleges and universities, as well as in larger high schools and middle schools, who oversees the work of coaches and related staff involved in intercollegiate or interscholastic athletic programs...

 at Tulane. Tobin graduated from Chicago in June 1906, and passed the Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

 bar examination

Bar examination

A bar examination is an examination conducted at regular intervals to determine whether a candidate is qualified to practice law in a given jurisdiction.-Brazil:...

. He was a member of the Delta Chi

Delta Chi

Delta Chi or D-Chi is an international Greek letter college social fraternity formed on October 13, 1890,at Cornell University, initially as a professional fraternity for law students. On April 29, 1922, Delta Chi became a general membership social fraternity, eliminating the requirement for men...

 fraternity. In 1906, he intended to begin practicing law after coaching at the University of Utah

University of Utah

The University of Utah, also known as the U or the U of U, is a public, coeducational research university in Salt Lake City, Utah, United States. The university was established in 1850 as the University of Deseret by the General Assembly of the provisional State of Deseret, making it Utah's oldest...

during the upcoming season.