Gertrude Elion was an American biochemist and pharmacologist well-known for discovering many medications, including medications for HIV/AIDS, herpes, immunity disorders, and leukemia. Elion developed a multitude of new drugs, using innovative research methods that later led to the development of the first drug used in the treatment of HIV/AIDS: Zidovudine (AZT). She and her colleague, George H. Hitchings, were awarded the Nobel Prize in Medicine in 1988.