Staying on at Cambridge to conduct doctoral research in pure mathematics under the supervision of J. E. Littlewood, he spent a year abroad as a Choate Fellow at Harvard University in 1955–56.
[1] Bray's first job upon leaving Cambridge was as a technical officer at the Imperial Chemical Industries works in Wilton, Teesside, where he advised his superiors to invest in the purchase of the plant's first computer.
[1] Middlesbrough West remained a highly marginal seat, however, and he was defeated in his attempt to be re-elected as an MP at the 1970 general election.
Chosen by the Motherwell Labour Party as their candidate because of his steel industry expertise, during this second spell in parliament Bray was noted for his unflagging efforts to save the Ravenscraig steelworks from closure.
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