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 "Michael Arbuthnot Ashcroft"): Michael Arbuthnot Ashcroft (1920–1949) was a code breaker at Bletchley Park during World War II, working in Hut 8 under Alan Turing.
Relevant evidence: Yes