Question: What is the date of birth of Jonathan Penrose's father?
Sentence (from "Lionel Penrose"): Lionel Sharples Penrose, FRS (11 June 1898 – 12 May 1972) was an English psychiatrist, medical geneticist, paediatrician, mathematician and chess theorist, who carried out pioneering work on the genetics of intellectual disability.
Relevant evidence: Yes