They found it in 1953.
28th February 1953
It is James Watson and Francis CricK In March 1953, Watson and Crick deduced the double helix structure of DNA Watson, Crick, and Wilkins were awarded the Nobel Prize in Physiology or Medicine in 1962 for their research on the structure of nucleic acids.
The structure of DNA was elucidated by James Watson and Francis Crick in 1953.
He didn't. DNA was already known before Crick, Watson, Wilkins and Franklin discovered its chemical structure in the early 50s. Crick and Watson published in "Nature" in April of 1953.
they were the first to discover the structure of DNA
James Watson and Francis crick together with Maurice Wilkins announced their discovery of DNA in 1953, winning the Nobel prize in medicine.
Watson and Crick in 1953.
It was a double helix.