What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
(1916–2004), English biophysicist; full name Francis Harry Compton Crick. Together with J. D. Watson he proposed the double helix structure of the DNA molecule, thus broadly explaining how genetic information is carried in living organisms and how genes replicate. Nobel Prize for Physiology or Medicine (1962, shared with Watson and M. H. F. Wilkins).