Misc: Who invented the geodesic dome?

Questions

In the Mel Brooks film Silent Movie , who was the only person with a speaking part?

In this country he is called 'Action Man', but what is he called in America?

In which city was the White Star liner 'Titanic' built?

Liverpool M.P. William Huskisson, who died in 1839, was the first person in the world to die by what method?

Which type of aircraft was the most successful during the Battle of Britain?