On July 28, 2004 (June 12, 2004 in the lunar calendar), Francis? Crick died. Francis? Francis Harry Compton Crick (June 8, 1916-July 28, 2004) was a British physicist who later switched to biology and died of colorectal cancer in 2004. Francis? Crick's most important achievement was his 1962 interview with James? Watson co-discovered the double helix structure of deoxyribonucleic acid (DNA). They also won the 1962 Nobel Prize in Physiology and Medicine together with Wilkins. Comment: Francis, the father of DNA? Crick's discovery not only attributed the mystery of life and soul to a few simple molecules, but also posed a strong challenge to the religious "immortality of the soul."