About William C. Campbell (scientist)
William Cecil Campbell is an Irish-American microbiologist known for his work in discovering a novel therapy against infections caused by roundworms, for which he was jointly awarded the 2015 Nobel Prize in Physiology or Medicine. He helped to discover a class of drugs called avermectins, whose derivatives have been shown to have "extraordinary efficacy" in treating River blindness and Lymphatic filariasis, among other parasitic diseases affecting animals and humans. Campbell worked at the Merck Institute for Therapeutic Research 1957–1990, and has become a research fellow emeritus at Drew University. The research of Satoshi Ōmura, William Campbell, and their co-workers created a new class of drugs for the treatment of parasites. Campbell is best known for his work on parasitic diseases. With the World Health Organization they created an "unprecedented" drug donation program, with the intention of wiping out river blindness.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.