Misc: What was Danny De Vito’s occupation prior to his becoming an actor?

Questions

Who wrote the Booker Prize-winning novel Oscar and Lucinda?

In which city were the 1928 Summer Olympic Games held?

Who had a number one hit in 1969 with Something in the Air?

Who had a number one hit in 1970 with In the Summertime?

Which company produced the World War Two aeroplane, the 'Lightning'?