The Epsilon Zeta chapter (#126) at Oklahoma Baptist University was installed May 3, 1967 with Executive Secretary Robert Rubin serving as the installing officer. The Alpha chapter performed the Ritual and installation ceremony. Charter members of the Epsilon Zeta chapter include: Richard Audd, Merlyn Dungey, Bruce Fried, John Fuller, Darryl Hague, Michael Helm, John Ingram, George McDow, James Osborne, Ed Paxton, Keith Rowe, Robert Royer, Dan Smelser, Randall Tompkins, Warren Angell, and Joseph Spurlock.