Author: Michael Ryan
Born: 1800
Died: 1841
Bio: The Oxford Dictionary of National Biography states that Ryan was probably born in Ireland. His medical training took place in Dublin and Edinburgh. He then went into practice in Kilkenny for some years, moving to London in 1829.

Ryan was a member of the Royal College of Physicians in London, where he practised, and was a physician to the Metropolitan Free Hospital. He also took on a number of lecturing posts. He died in London on 11 December 1840, leaving a young family.