Enrolled at the Polytechnic Secondary School on 14 January 1908, aged 13. Attended the school until 1911. Member of the Polytechnic Boxing Club and Swimming Club. Served in the 12th London Regiment ‘The Poly Rangers’ in 1914 under the surname Zoller. He appears to have changed his surname in 1920 as hereafter all reference is to Pat O’Hanrahan. In 1922 he was elected Vice-Captain of the Polytechnic Boxing Club, a post he held until 1928 when he was elected Vice-President. In January 1935 he is referred to as an old member and twice ABA Welterweight Champion.
Member of the GB team at the 1924 Paris Summer Olympics. He advanced to the second round of the welterweight class after winning his fight against René Dubois of France on points. The matches were held in the Veledrome d'Hiver. In the next round, O'Hanrahan was defeated by Jean Delarge of Belgium who won the gold medal in this weight class. It was his only Olympic appearance.
In January 1925 he travelled to the USA as part of the British Amateur Boxing Association team and he won the 1925 ABA National Championships.
Harold James Mitchell was a British boxer who competed in the 1924 Summer Olympics. He won the gold medal in the light heavyweight competition after beating Thyge Petersen in the final.
Mitchell was a four-time ABA champion in the light heavyweight class (1922-25) and was European Champion in 1924
Prince Edward, Duke of Windsor (11 Dec 1936-28 May 1972)