What did British biochemist that led  theoretical chemistry in  Department of Chemistry, University of Cambridge won nobel prize for 
Department of Chemistry, University of Cambridge:  It was formed from a merger in the early 1980s of two separate departments that had moved into the Lensfield Road building decades earlier: the Department of Physical Chemistry (originally led by Professor Ronald Norrish FRS, Nobel Laureate; the department was previously located near the Old Cavendish in Free Street - see photo) and the Department of Chemistry (that included theoretical chemistry and which was led by Lord Alexander R. Todd FRS, Nobel Laureate) respectively. Alexander R. Todd: Alexander Robertus Todd, Baron Todd (2 October 1907 – 10 January 1997) was a British biochemist whose research on the structure and synthesis of nucleotides, nucleosides, and nucleotide coenzymes gained him the Nobel Prize for Chemistry.
Chemistry.