1991
- Biology – Robert Klark Graham, selector of seeds and prophet of propagation, for his pioneering development of the Repository for Germinal Choice, a sperm bank that accepts donations only from Nobellians and Olympians.
- Chemistry – Jacques Benveniste, prolific proselytizer and dedicated correspondent of Nature, for his persistent "discovery" that water, H2O, is an intelligent liquid, and for demonstrating to his satisfaction that water is able to remember events long after all traces of those events have vanished (see water memory, his proposed explanation for homeopathy).
- Economics – Michael Milken, titan of Wall Street and father of the junk bond, to whom the world is indebted.
- Education – J. Danforth Quayle, consumer of time and occupier of space (as well as the U.S. Vice President from 1989–93), for demonstrating, better than anyone else, the need for science education.
- Literature – Erich von Däniken, visionary raconteur and author of Chariots of the Gods?, for explaining how human civilization was influenced by ancient astronauts from outer space.
- Medicine – Alan Kligerman, deviser of digestive deliverance, vanquisher of vapor, and inventor of Beano, for his pioneering work with anti-gas liquids that prevent bloat, gassiness, discomfort and embarrassment.
- Peace – Edward Teller, father of the hydrogen bomb and first champion of the Star Wars weapons system, for his lifelong efforts to change the meaning of peace as we know it.
Read more about this topic: List Of Ig Nobel Prize Winners