Carlin was appointed to represent the Eagles on the City of Philadelphia's committee for the construction of Veterans Stadium

The Philadelphia Eagles announced on Wednesday that Leo Carlin will retire at the end of the month

Leo Carlin was inducted into the Eagles Hall of Fame in 2012

Carlin in his early years with the Eagles

Two Eagles Hall of Famers: former head coach Dick Vermeil and Leo Carlin

During the 1970s, Carlin also served as the club's business manager and helped the Eagles become the first NFL team to merge ticketing with computer data processing

Carlin on the sidelines at Franklin Field, which now has lights because the Eagles had to play there for one more season in 1970 and were made their first appearance on Monday Night Football

A truly larger-than-life personality, Leo Carlin enjoyed each moment of his 55 years with the Philadelphia Eagles

Leo Carlin was all smiles at the Super Bowl in Jacksonville, Florida following the 2004 season

You almost have an entire football team with the Carlin family between the seven children and 22 grandchildren

Carlin was also instrumental in negotiating the team's local television rights for home games and working with local stations to ensure that there were no blackouts so fans could see those games

"It is a joy to see him in our offices every day, where his passion, stories and friendships provide us with a living link to Eagles history," Chairman and CEO Jeffrey Lurie

Leo Carlin with team president Don Smolenski and Eagles Hall of Fame linebacker Bill Bergey

Carlin led the effort in transitioning ticket operations for the Eagles four times into three different stadiums (Franklin Field to Veterans Stadium, back to Franklin Field and to Veterans Stadium when ready and finally Lincoln Financial Field)

Leo Carlin outside of the NovaCare Complex

Both cornerback Eric Allen and Leo Carlin have been nominated for the Pro Football Hall of Fame

Leo Carlin, with one of his 22 grandchildren, said he's never seen an entire Eagles home game

"As a longtime leader of the Eagles' ticket office, he has been the face of our business to literally generations of fans," Chairman and CEO Jeffrey Lurie

He originally joined the Eagles as a part-time ticket office employee in 1960 before joining the front office full time in 1964

We appreciate everything that Leo Carlin, here with his wife, Kay, has done for the entire Eagles family during his 55 years