Name The Year: Jean Harlow, sex goddess of the 30s, born?

Questions

Who carved the heads at Mount Rushmore?

Name of the indigenous people of Jamaica?

Which Derbyshire born aeronautical engineer designed the R100 airship,the bouncing bomb and the first swing wing aircraft?

hans Lippershay -1608, Galileo - 1610, Isaac Newton - 1668 and William Herschel 178 all designed different types of what?

Who was the first engineer to introduce steam to an engine with a piston?