Who wrote the radio play "Under Milk Wood"?

"Under Milk Wood" is a 1954 radio drama by Welsh poet Dylan Thomas, commissioned by the BBC and later adapted for the stage. Dylan Marlais Thomas (27 October 1914 – 9 November 1953) was a Welsh poet and writer whose works include the poems "Do not go gentle into that good night" and "And death shall have no dominion". Although Thomas wrote exclusively in the English language, he has been acknowledged as one of the most important Welsh poets of the 20th century. He is noted for his original, rhythmic and ingenious use of words and imagery. His position as one of the great modern poets has been much discussed, and he remains popular with the public.