First Impressions

This week's competition, in which you have to identify a book from its opening sentence, is from a work by a physicist who tried to make an atomic bomb but luckily failed:

"When one speaks today of modern physics, the first thought is of atomic weapons."

* Entries, including postal address, should be sent to First Impressions, The Times Higher , Admiral House, 66-68 East Smithfield, London E1W 1BX, faxed to 020 7782 3300 or emailed to theschat@thes.co.uk

The winner receives a £25 book voucher. The closing date is June 20.

The winner of last week's competition, who identified Jim Corbett's The Man-Eating Leopard of Rudraprayag , is Christopher Ondaatje of London.

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