[2] Sir John was a former pupil of the Cambridge and County High School for Boys — now Hills Road Sixth Form College — where he won a scholarship in 1942 to study natural sciences at Trinity College, Cambridge.
[3] He spearheaded the creation of Cambridge's research and business campus in the early 1970s, and was its director for many years.
In 1970, Trinity, under Bradfield's guidance, founded Cambridge Science Park on the outskirts of the city.
[5] In 2007 he was awarded a knighthood in the New Year honours list in recognition of his services to science, business and to the community of Cambridge.
[6] Sir John died on 13 October 2014, aged 89, under the Great Gate at Trinity College on his way to attend a dinner for the current tenants of Cambridge Science Park.