WHO? WHAT? WHERE?

Who?

This woman's actions helped change the lives of millions of people. Who is she?

What?

What happened on one of these on 1 December, 1955?

Where?

Where did the above events take place (this picture may provide you with a clue)?

Answers 19 June Sue Lyon, who starred in the first film version of Vladimir Nabokov's novel Lolita. What? A butterfly - Nabokov was a renowned lepidopterist. Where? The Montreux Palace Hotel, Switzerland - the proceeds from Lolita enabled Nabokov to settle here and write full-time. Congratulations to the winners: SJ Johnson, Penge; M Stephan, Oxford; S White, West Bridgford.

A bottle of champagne or olive oil (please state preference) will go to the senders of the first three correct solutions opened. Please send a postcard with your three answers, marked What? Where? to The Independent Magazine, One Canada Square, Canary Wharf, London E14 5DL. Entries must reach us by 10 July. The correct answers will be given in two weeks. The normal Independent Newspapers rules, available on request, apply to this competition.