Question: Michael Arbuthnot Ashcroft,  was a code breaker at Bletchley Park during World War II, working in Hut 8 under which English computer scientist, mathematician, logician, cryptanalyst, philosopher and theoretical biologist?
Sentence (from "Susan Elizabeth Black"): Susan Elizabeth Black {'1': ", '2': ", '3': ", '4': "} (born 1962) is a British computer scientist, academic and social entrepreneur.
Relevant evidence: No