Bob Brise was the elder brother of John Brise and an architect in the Brise Building Firm. He acquired a second-hand Cooper-JAP in 1951, probably an ex works Mk V from Bill Whitehouse. He raced this car through '51 and '52.
Some results for Bob:
He appears to have moved on at this point but still appears twice more in an Arnott:
If anyone has more details, please get in touch.