Laurence E. (Hildie) Heldenbrand from Ponca City was a guard on the OBU football for four seasons, during which the Bison posted a record of 20-11-4.

The 1927 team tied for the collegiate state championship.

In 1928, Heldenbrand was selected first team on the Daily Oklahoman's Oklahoma Intercollegiate Conference all star squad and second-team on the Tulsa World's All-Oklahoma Collegiate Team.

In 1929, he received honorable mention on the Big Four Conference team.

In 1930, Heldenbrand was team captain and was second-team All-Big 4 and honorable mention Tulsa World All-Oklahoma team.

Heldenbrand owned Silver King Products Company, Oklahoma City, and received OBU's Alumni Achievement Award in 1978.

He died in 2004.