Coach Trees / Coaching Pedigrees - Searching the relationships between coaches
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Coach Trees was founded in 2009 with the intent of using software to document the relationships between coaches.
We are continually adding more visualizations of the data to provide a more rich experience for the end user.

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Current selected coach: Ernie Zwahlen

Iowa State University                
San Francisco 49ers                   
Tennessee Titans                     
Indianapolis Colts                     

Coached With:
Maxie Baughan -- (Indianapolis Colts)
Dick Bielski -- (Indianapolis Colts)
George Boutselis -- (Indianapolis Colts)
Dick Corrick -- (Iowa State University)
George Dickson -- (Tennessee Titans)
Vernon Gale -- (Iowa State University)
Mike Giddings -- (San Francisco 49ers)
King Hill -- (Tennessee Titans)
Mike Holovak -- (San Francisco 49ers)
Ed Hughes -- (San Francisco 49ers)
Ed Hughes -- (Tennessee Titans)
Ed Khayat -- (Indianapolis Colts)
Ted Marchibroda -- (Indianapolis Colts)
Lou McCullough -- (Iowa State University)
Ken Meyer -- (San Francisco 49ers)
Burnie Miller -- (Iowa State University)
Burnie Miller -- (San Francisco 49ers)
Burnie Miller -- (Tennessee Titans)
Dick Nolan -- (San Francisco 49ers)
Joe Perry -- (San Francisco 49ers)
Fran Polsfoot -- (Tennessee Titans)
Walt Schlinkman -- (Tennessee Titans)
Doug Scovil -- (San Francisco 49ers)
Jim Shofner -- (San Francisco 49ers)
Clay Stapleton -- (Iowa State University)
Arch Steele -- (Iowa State University)
John Symank -- (Indianapolis Colts)
Y.A. Tittle -- (San Francisco 49ers)
Joe Vitt -- (Indianapolis Colts)
Bob Ward -- (Iowa State University)
Paul Wiggin -- (San Francisco 49ers)
Walt Yowarsky -- (Tennessee Titans)