Short answers, pulled from the story.
Ezra Pound was born in 1885 in a two-story clapboard house in Hailey, Idaho Territory, as the only child of Homer Loomis Pound and Isabel Weston. His family emigrated from England in the 17th century, with his paternal grandfather being a Quaker and his maternal ancestors including a Puritan who helped write the first Connecticut constitution.
Ezra Pound founded the Imagist movement in 1913 when he edited one of H.D.'s poems and wrote H.D. Imagiste underneath. The movement demanded precision and economy of language, insisting that poets should go in fear of abstractions and avoid superfluous words.
Ezra Pound moved to Rapallo, Italy, in 1924 seeking a quieter life, but his political views radicalized to embrace the economic theory of social credit developed by C. H. Douglas. He came to believe that World War I was caused by finance capitalism called usury and that Jews were to blame, eventually praising Adolf Hitler and Benito Mussolini.
During World War II, Ezra Pound recorded hundreds of paid radio propaganda broadcasts for the fascist Italian government and its later incarnation as the Salò Republic. He was captured by the Italian Resistance in 1945, held in a U.S. military detention camp near Pisa including three weeks in an outdoor steel cage known as the Pound Cage, and later incarcerated for over 12 years at St. Elizabeths Hospital in Washington, D.C.
Ezra Pound died on the 1st of November 1972, at the age of 86, while remaining in Italy. He continued to work on The Cantos until his death, with the final complete canto, Canto CXVI, published in 1962.