Roald Dahl children's novels in a survey published by "School Library Journal", a monthly with primarily US audience. The Top 100 included four books by Dahl, more than any other writer: "Matilda", "Charlie and the Chocolate Factory", "The Witches", and "The BFG". In 2012, Dahl was among the British cultural icons selected by artist Sir Peter Blake to appear in a new version of his most famous artwork – the Beatles' "Sgt. Pepper's Lonely Hearts Club Band" album cover – to celebrate the British cultural figures of his life he most admires. In a 2017 UK poll of the greatest authors, songwriters,
Roald Dahl every side". In May, as the Germans were pressing on Athens, Dahl was evacuated to Egypt. His squadron was reassembled in Haifa. From there, Dahl flew sorties every day for a period of four weeks, shooting down a Vichy French Air Force Potez 63 on 8 June and another Ju 88 on 15 June, but he began to get severe headaches that caused him to black out. He was invalided home to Britain. Though at this time Dahl was only a pilot officer on probation, in September 1941 he was simultaneously confirmed as a pilot officer and promoted to war