21.   Consider Richard Majors, a Washington, D.C. resident who has a doctorate in psychology and won a Harvard Medical School fellowship.

22.   Dr. Mukai, who also has a doctorate in physiology, is the second Japanese astronaut to fly on a shuttle.

23.   Donohue, who has a doctorate in aerospace engineering from Oklahoma State University, is licensed to fly single-engine planes.

24.   Dr. Riggs-Bergesen, who has a doctorate in clinical psychology, has merged candle magic with ideas about the collective unconscious.

25.   Enyart has a doctorate in music from the Conservatory of Cincinnati.

26.   Finney, who has a doctorate in industrial psychology, is an expert in the physical and mental effects of stresson people.

27.   For years, Husic Capital reported that Frank Husic had a doctorate from Penn and an undergraduate degree from Carnegie Mellon.

28.   Franklin, who has a doctorate in biology, now works as a global forecast manager at Boston Scientific, a medical device company in Natick, Mass.

29.   Gingrich, who has a doctorate in history, began teaching a course that year, Renewing American Civilization, at Kennesaw State College.

30.   Garry Henderson has a doctorate in geophysics and worked on the Apollo space program.