| Name | Chapter / Class Year | Accomplishments |
|---|---|---|
| O. Glen Hocker | Beta '20 | Founder- Dairy Queen |
| William H. Byler, Ph.D. | Alpha '26 | Inventor of Black Light |
| Hon. James Kirkpatrick | Alpha '29 | Missouri Secretary of State |
| D. Dee Brown | Sigma '31 | Author- Bury My Heart at Wounded Knee |
| Gen. Wallace Graham, MD | Alpha '32 | Physician to President Harry Truman |
| Lawrence Walkup, Ph.D. | Alpha '36 | Former President- Northern Arizona Univ. |
| Hon. Mel Hancock | Omega '51 | Former U.S. Congressman |
| Stan Musial | Beta Iota Hon. | Member of the Baseball Hall of Fame |
| Dr. Gil Morgan | Tau '68 | PGA Tour Golf Pro |
| Author Hughes, Ph.D. | Alpha Alpha '51 | Former President- University of San Diego |
| Ronald Roskens, Ph.D. | Alpha Eta '54 | Former President- University of Nebraska |
| Robert A. Libby, Ph.D. | Beta '60 | Inventor of Pringles Potato Chips |
| James J. Benedict, Ph.D. | Beta Rho '66 | Inventor of Actonel- Osteoporosis Drug |
| Gen. Clyde A. Vaughn | Alpha Phi '68 | Chief of Staff- US Army Guard |
| John (Jack) Link | Alpha Kappa '70 | Founder of Jack Link's Beef Jerky |
| Hon. John Ashcroft | Beta Hon. | Former U.S. Senator & Attorney General |
| Hon. Geoffrey Connor | Delta Epsilon '85 | Former Texas Secretary of State |
| Eric Ferguson | Delta Lambda '89 | Chicago Radio Personality |
| Hon. Brad Ellsworth | Gamma Phi '80 | U.S. Congressman from Indiana |
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