Ta! That's the bloke, I was thinking of Conan Doyle, Kipling, Rider Haggard, et al but I knew it wasn't any of them, especially Al before anyone else gets in with the joke.
Which novel, published in 1949 and originally to be called 'The Last Man in Europe' has the opening line: 'It was bright cold day in April, and the clocks were striking thirteen'?