Duarte Manuel Bello

Duarte Manuel de Almeida Bello (26 July 1921 – 3 June 1994) was a Portuguese sailor who competed at the 1948, 1952, 1956, 1960 and 1964 Olympics. He won a silver medal in the Swallow class in 1948, together with his brother Fernando Pinto Coelho Bello, and placed fourth in 1952 and 1956.

Bello also raced Star class keelboats, winning silver medals at the 1953 and 1962 World Championship, and a bronze in 1952. He was known as an equipment innovator who invented several devices, including automatic "Bello bailers" in 1954, and the circular boom-vang track at the early 1960s. Provided by Wikipedia