1998
- Chemistry – Presented to Jacques Benveniste of France, for his homeopathic "discovery" that not only does water have memory, but that the information can be transmitted over telephone lines and the Internet.
- Biology – Presented to Peter Fong of Gettysburg College, Gettysburg, Pennsylvania, for contributing to the happiness of clams by giving them Prozac.
- Economics – Presented to Richard Seed of Chicago for his efforts to stoke up the world economy by cloning himself and other human beings.
- Literature – Presented to Dr. Mara Sidoli of Washington, DC, for her illuminating report, "Farting as a Defence Against Unspeakable Dread".
- Medicine – Presented to Patient Y and to his doctors, Caroline Mills, Meirion Llewelyn, David Kelly, and Peter Holt, of Royal Gwent Hospital, in Newport for the cautionary medical report, "A Man Who Pricked His Finger and Smelled Putrid for 5 Years."
- Peace – Presented to Prime Minister of India, Shri Atal Bihari Vajpayee and Prime Minister of Pakistan, Nawaz Sharif, for their aggressively peaceful detonations of atomic bombs.
- Physics – Presented to Deepak Chopra of The Chopra Center for Well Being, La Jolla, California, for his unique interpretation of quantum physics as it applies to life, liberty, and the pursuit of economic happiness.
- Safety Engineering – Presented to Troy Hurtubise, of North Bay, Ontario, for developing and personally testing a suit of armor that is impervious to grizzly bears.
- Science Education – Presented to Dolores Krieger, Professor Emerita, New York University, for demonstrating the merits of therapeutic touch, a method by which nurses manipulate the energy fields of ailing patients by carefully avoiding physical contact with those patients.
- Statistics – Presented to Jerald Bain of Mt. Sinai Hospital in Toronto and Kerry Siminoski of the University of Alberta, for their carefully measured report, "The Relationship Among Height, Penile Length, and Foot Size".
Read more about this topic: List Of Ig Nobel Prize Winners