Celebrity William Butler Yeats: Dyslexic? Russ LoydApril 27, 20230562 views Originally posted at https://psycnet.apa.org/record/1992-35544-001 Since Yeats died in 1939, he was diagnosis posthumously by this journal APA PsycNet. Portrait of Irish poet and dramatist William Butler Yeats (1865 – 1939), circa 1920s. (Photo by Martin Vos/Hulton Archive/Getty Images)