Roald Dahl Author Awdur Born 1916 Llandaff Ganwyd 1916 Llandaf Died 1990 Bu farw 1990 Site of 'Mrs Pratchett's' sweetshop during his time at Cathedral School as recalled in his autobiography 'Boy'. Safle siop losin 'Mrs Pratchett' yn ystod ei gyfod yn Ysgol y Gadeirlan yn ôl ei hunangofiant