Misc: What is the largest plant ever to have grown on the planet Earth?

Questions

Published in 1952, The Old Man and the Sea earned which American author the Nobel Prize for literature the following year?

The children's classic Charlotte's Web features a pig, what is he called?

Which exploration of black identity in America was published in 1952?

John Profumo resigned after lying to parliament over his affair with Christine Keeler. Who else was she involved with?

Who left No 10 Downing Street for the second and final time?