KAOS: Animals Starting with O ?

Questions

The Bell Jar was the only novel of which american poet?

SCIENCE; Which english scientist designed computers in the 1820&30s named the Difference Engine and the Analytical Engine?

FILM; Who made his debut as a film writer and director with the 1992 film Reservoir Dogs in which he also acted?

Which common wild flower is known inScotland as Stinking Willie?

Which 1954 play by Brendan Behan was about life in an Irish Prison on the eve of an execution?