Francis S. Collins is a physician and geneticist. His groundbreaking work has led to the discovery of the cause of cystic fibrosis, among other diseases. In 1993 he was appointed director of the international Human Genome Project, which successfully sequenced all 3 billion letters of our DNA. He went on to serve three Presidents as the Director of the National Institutes of Health. He won the Templeton Prize in 2020 and is well known for his Christian faith.