Michael Underwood

Notes

From fantastifiction.com:
Michael Underwood was the pseudonym of John Michael Evelyn (1916-1992), a British writer. Evelyn was born in Worthing Sussex and educated at Christ Church College Oxford and Grays Inn London. He was called to the Bar in 1939 and served in the British Army during WW2. He returned to work in the higher echelons of the Civil Service until his retirement in 1976. His series characters were Martin Ainsworth and Inspector (later Superintendent) Simon Manton.