<Tr> <Td_colspan="2"> Dahl in 1954 </Td> </Tr> <Tr> <Th> </Th> <Td> (1916 - 09 - 13) 13 September 1916 Llandaff, Cardiff, Wales, UK </Td> </Tr> <Tr> <Th> </Th> <Td> 23 November 1990 (1990 - 11 - 23) (aged 74) Oxford, England, UK </Td> </Tr> <Tr> <Th> Occupation </Th> <Td> Novelist, poet, screenwriter </Td> </Tr>

At what age did roald dahl start writing books