useless trivia: What Word Means: A Subjective Visual Sensation?

Questions

Which is the only Shakespeare play with the name of an English town in the title?

Which UN Secretary-General was killed in an air crash in 1961?

Which group recorded the albums Regatta de Blanc and Ghost in the Machine?

What was the unit of work in the c.g.s. system, which was replaced by the Joule in the S.I. system?

Which poet described autumn as 'the season of mists and mellow fruitfulness'?