Carl Brettschneider was a standout offensive lineman for Iowa State from 1950-52. He was named team co-captain as a senior. His tenacity and toughness put him on a list of Iowa State's all-time greats and later served him well as one of the top defenders in the National Football League (NFL). A native of Dundee, Ill., Brettschneider played eight years in the NFL, earning First-Team All-Pro honors by the Sporting News in 1962 at linebacker. He was an assistant coach for the Detroit Lions after retirement and was inducted into the ChicagoLand Hall of Fame in 1997.

- Standout lineman for Iowa State (1950-52) and team co-captain in 1952.
- In a 1968 poll, was voted as one of the top-35 players in Iowa State football history through its first 75 years.
- Played eight years in the NFL (1956-63).
- Named Sporting News First-Team All-Pro as a member of the Detroit Lions in 1962.
- Member of the Detroit Lions coaching staff from 1965-69.
- Inducted into the ChicagoLand Hall of Fame in 1997.