Question: What did British biochemist that led  theoretical chemistry in  Department of Chemistry, University of Cambridge won nobel prize for 
Sentence (from "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.
Relevant evidence: Yes