Lew Wallace was 53 when he wrote Ben Hur, called "the most influential Christian book of the nineteenth century. He was a lawyer and a Union General in the American Civil War.
Peter Mark Roget is best known for publishing, in 1852, at aged 52, the Thesaurus of English Words and Phrases, which is now known as Roget's Theasurus and has never been out of print!
Francis "Frank" McCourt started writing at 65. He was an Irish-American teacher and writer who won a Pulitzer Prize for his incredible novel "Angela's Ashes" which was later made into a film.
Alice Porlock of Great Britain published her first book, Portrait of My Victorian Youth, when she was 102 years old.
Harry Bernstein, who died on June 3 aged 101, caused a literary stir when, aged 96, he published a remarkable memoir of a childhood blighted by squalor, abuse and anti-Semitism in the slums of Stockport during and after the First World War. The book, "The Invisible Wall," he wrote to cope with loneliness after his wife died.