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An American-born architect who spent most of his life working in England, he helped shape some of postwar Britain’s best-known modern buildings. He is especially remembered for the Skylon at the 1951 Festival of Britain and for the long-running partnership of Powell & Moya.

by Hidalgo Moya, Towry Piper
Born in Los Gatos, California, on May 5, 1920, to an English mother and a Mexican father, he moved to England as an infant and built his career there. He later became widely known as Hidalgo or "Jacko" Moya, an architect whose work was closely tied to the rebuilding and renewal of Britain after the Second World War.
With Philip Powell, he formed the practice Powell & Moya, and together they designed major public and civic projects including Churchill Gardens in Pimlico, Chichester Festival Theatre, the Museum of London, Wolfson College in Oxford, and the Skylon, the striking landmark of the 1951 Festival of Britain. Their work was recognized with the RIBA Royal Gold Medal in 1974, noted as the first time the award went to a practice rather than an individual.
He retired in the early 1990s and died in Hastings, England, on August 3, 1994, at the age of 74. Although a short Wikipedia entry is available, I couldn't confirm a suitable portrait image from the page, so no profile image is included here.