Raymond Gosling ( 15 July 1926 -- 18 May 2015 ) was a British scientist who deduced the structure of DNA with Maurice Wilkins and Rosalind Franklin at King 's College , London .
Raymond Gosling ( 15 July 1926 -- 18 May 2015 ) was a British scientist . He was known for questioning the structure of DNA with Maurice Wilkins and Rosalind Franklin at King 's College , London .