battledore (plural battledores) 1  A game played with a shuttlecock and rackets (properly battledore and shuttlecock); a forerunner of badminton. 2  The racket used in this game. ( 3 obsolete) A child's hornbook for learning the alphabet. ( obsolete) A bat or beetle used in washing clothes.
Watson is a U.S. molecular biologist, geneticist and zoologist, best known as one of the co-discoverers of the structure of DNA in 1953 with Francis Crick. In 1998, the Modern Library placed The Double Helix at number 7 on its list of the 100 best nonfiction books of the 20th century.
In 1953, Francis Crick and James Watson first described the molecular structure of DNA, which they called a double helix, in the journal Nature. For this breakthrough discovery, Watson, Crick, and their colleague Maurice Wilkins won a Nobel Prize in Physiology, or Medicine, in 1962.