Michael Harrington Nelson (1921–1990)[1] was a British novelist best known for his 1958 gay novel A Room in Chelsea Square, originally published anonymously.

He was a secretary to publisher John Lehmann during the war, and served as a captain in the Royal Army Service Corps.

[4] It received good reviews, but was never reprinted until its 2013 Valancourt Books edition.

[4][5] His second book, A Room in Chelsea Square (1958), was published anonymously owing to its explicit homosexual content.

[2][3] It is about a wealthy gentleman who lures an attractive younger man to London with the promise of an upper-crust lifestyle, and has been called a "gay classic".