The Zeta Delta chapter (#148) at Southwest Baptist College was installed May 3, 1971 with Grand President James Jacobsen serving as the installing officer. The Delta Gamma chapter performed the Ritual and installation ceremony. Charter members of the Zeta Delta chapter include: Darrell Dady, Dwayne Edwards, David Etter, Wayne Garrison, Robert Glidwell, Brent Helton, Martin Hook, Phillip Jones, Anthony Jordan, Gary Kelb, Gary Lynch, Joe Marsden, Harold Jackson, and James Woodward.
