Art Demmas was born in 1934, in St. Louis, Missouri, U.S. and died on August 6, 2016, Nashville, Tennessee, U.S..

He was an American football official for 28 seasons.

Art worked in the American Football League (AFL) in 1968 and 1969, and in the National Football League (NFL) from 1970 to 1996.

Over the years in his career, Art Demmas was assigned to four Super Bowls (XIII, XVII, XXV, and XXVIII), all as an umpire.

Out on the field, Art wore uniform number 78, which is now worn by Greg Meyer.

Demmas served as a league representative and observer for the NFL.

He worked much of his career as the umpire on the crew of a fellow AFL official, referee Ben Dreith.

In the fourth quarter of Super Bowl XIII, Dallas Cowboys safety Charlie Waters collided with Demmas as he was moving into position to tackle Pittsburgh Steelers running back Franco Harris.

Art scored a touchdown on the play, giving the Steelers a 28–17 lead, and Pittsburgh went on to win the game, 35–31.

He was a native of Nashville, Tennessee, he played football at and graduated from Vanderbilt University, learning the game from College Football Hall of Fame coach Jess Neely.

After graduation from Vanderbilt, Demmas enrolled in the Reserve Officers’ Training Corps program.

He had been commissioned as a second lieutenant, he was assigned to the U.S. Army Intelligence detail.

Art he went for an eight-year term, which consisted of six months active duty and seven-and-a-half years active reserve.

Art Demmas passed away at 83 years old.