Isaac Thomas Thornycroft

Isaac Thomas Thornycroft ( born November 22, 1881 in Basingstoke, † June 6, 1955 ) was a British motor boaters.

At the Olympic Games in London in 1908 Thornycroft was together with the crew of the Gyrinus, Bernard Redwood and John Field -Richards, two-time Olympic champion in power boating, in the B- Class and C-Class, each about 40 miles. In the B class, where only boats with a maximum length of 20 meters were allowed to participate, launched the Gyrinus against John Marshall Gorham, using Quicksilver. However, this had to give up after two laps because water had gone into the boat, so Thornycroft and his crew became the first Olympic champion in power boating.

In a day later discharged C- class boats were only seven feet long and weigh up to 800 kg. Again launched the Gyrinus with only one competitor, the Sea Dog Warwick Wright. But this time the rival had to quit because the engine was overheated. Thornycroft and Gyrinus were so double Olympic champion. In the final competition, the A-Class, the Gyrinus not go to the start, it won the Frenchman Émile Thubron.

Since remain motorboat after 1908 never again an Olympic sport was Thornycroft, Redwood and Field -Richards up today with two gold medals, the most successful athletes of this sport.

Thomas Thornycroft was the son of shipbuilder Sir John Thornycroft, the Gyrinus was designed by Thomas Thornycroft and built in the family's yard. By 1934 Thomas Thornycroft was a member of the board of the yard, he was responsible for the development of the Swallow - boat class of the British Navy. As a sailor, won Thornycroft 1931 Prince of Wales Cup. In 1952 he went as a reserve man to the Olympic Games in Helsinki, but did not play.