Won the 2008 Nobel Prize in Physiology or Medicine for discovering the human immunodeficiency virus, popularly known as HIV.
Willy Rozenbaum asked him for help researching the cause of AIDS, which at the time was known as "Gay-related immune deficiency."
He wrote a paper on high dillutions that homeopaths claimed to support homeopathy, which uses ultra-high dillutions of substances to treat diseases.
He was born in Chabris, France.
Chinese scientist Flossie Wong-Staal became the first scientist to clone HIV.