Author Intro: Dylan Thomas (1914–1953) Dylan Thomas was a Welsh poet known for his "roaring" personality and his lyrical, emotionally charged style. Unlike many of his contemporaries who focused on social or political issues, Thomas obsessed over the elemental forces of life : birth, sex, and death. The "Rockstar" Poet: He was famous for his booming voice and public readings, which helped popularize poetry in the mid-20th century. The Personal Connection: He wrote "Do not go gentle into that good night" in 1951, as his own father’s health was failing. This adds a layer of raw, personal desperation to the poem's universal message. Summary: A Call to Defiance The poem is a villanelle —a highly structured 19-line poem characterized by its repetitive refrains. Thomas uses this structure to address his dying father, urging him to fight against death rather than accepting it quietly. He categorizes four types of men to prove that, regardless of how one l...