Question: What specialism did Alec Naylor Dakin, fellow of Oxford College, pursue at Bletchley Park during the second World War; a central site for British codebreakers?
Sentence (from "Alec Naylor Dakin"): Alec Naylor Dakin (3 April 1912 – 14 June 2003) was a Fellow of Oxford College, a cryptologist at Bletchley Park, an Egyptologist and schoolmaster.
Relevant evidence: Yes