Ernest Hemingway

 was a writer. His book, For Whom the Bell Tolls, was read by Imogen Quaye while she was at the Lashley Institute. (PROSE: Artificial Intelligence)

In either his first or second incarnation, The Doctor became friends with Hemingway during the 1930s, the two went bullfighting together. (PROSE: Deadly Reunion)

He once beat Hemingway at tiddlywinks. He claimed that Hemingway never forgave him for it. (AUDIO: Death Match)