William O'Brien
William O'Brien (2 October 1852 – 25 February 1928) was an Irish nationalist, journalist, agrarian agitator, social revolutionary, politician, party leader, newspaper publisher, author and Member of Parliament (MP) in the House of Commons of the United Kingdom of Great Britain and Ireland. He was particularly associated with the campaigns for land reform in Ireland during the late 19th and early 20th centuries as well as his conciliatory approach to attaining Irish Home Rule.
Neil O'Brien (quizmaster)
Neil O'Brien (10 May 1934 – 24 June 2016) was a quiz master who was often credited for conducting the first formal well-organised quiz in Calcutta, India. He was also a chairman of CISCE. Brien served as a member of the West Bengal Legislative Assembly from 1977 to 1991 and became a nominated Anglo-Indian Lok Sabha MP in 1996. He died on 24 June 2016 at the age of 82. He is survived by his sons Barry 'O' Brien, Andy O'Brien, and Derek 'O' Brien and wife Joyce 'O' Brien.