. . "James Michael Creeth (3 October 1924 \u2013 15 January 2010) was an English biochemist whose experiments on DNA viscosity confirming the existence of hydrogen bonds between the purine and pyrimidine bases of DNA were crucial to Watson and Crick's discovery of the double helix structure of DNA.He was educated at Northampton Town and County Grammar School and went on to read Chemistry at University College Nottingham."@en . . . "1924Z"^^ . "British biochemist" . . "2010Z"^^ . "2010-01-15Z"^^ . "Creeth, Michael"@en . "James Michael Creeth"@en . "1924-10-03Z"^^ . . . .