John Fresshe of King Richard II's ill-fated poll tax within the city from December 1380. It was this tax which was to provoke the outbreak of the Peasants' Revolt in June the next year. Fresshe was one of three such men—along with fellow mercers, John Horn and Adam Karlille—to be sent by the then-mayor, William Walworth, to meet with the army assembled by rebel leader Wat Tyler at Blackheath in June 1381. Juliet Barker suggests that this was a pivotal meeting in the history of the revolt. The Mayor instructed Fresshe and his colleagues to negotiate with the rebels, and, if possible,
Frederick Bull (Lord Mayor of London) 1772. He became Lord Mayor of London for 1773-74. Bull stood for the City of London at a by-election in 1773 and was returned after a hard-fought contest on 23 December 1773. He was returned for the City after a contest again in 1774 and 1780. Bull was a Dissenter and close supporter of John Wilkes. He followed the Bill of Rights Society programme throughout his parliamentary career. His politics were radical and anti-Popery and in the spring of 1780 he supported Lord George Gordon’s Protestant crusade which led to the riots in June. Bull retired from business about 1782.