The Welsh poet Dylan Marlais Thomas (1914-1953) has been acclaimed as one of the most important poets of the century. His lyrics rank among the most powerful and captivating of modern poetry.

Dylan Thomas was born in the Welsh seaport of Swansea, Carmarthenshire, on Oct. 27, 1914. His father was an English teacher and a would-be poet, from whom Dylan inherited his intellect and literary abilities. From his mother, a simple and religious woman, Dylan inherited his disposition, temperament, and Celtic sentimentality. He attended the Swansea Grammar School, where he received all of his formal education. As a student, he made contributions to the school magazine and was keenly interested in local folklore. He said that as a boy he was "small, thin, indecisively active, quick to get dirty, curly."

After leaving school Thomas supported himself as an actor, reporter, reviewer, and scriptwriter and with various odd jobs. When he...