Michael Faraday
From Tardis Wiki, the free Doctor Who reference
Michael Faraday was a 19th century British scientist. The Eighth Doctor commented that, with the coming of the 20th century, the age of the gentleman scientist would end. He cited Faraday as an example of one such scientist. (PROSE: The Banquo Legacy)
In 1820s, he was expected in a scientific meeting in Killingworth sponsored by Lord Ravensworth and hosting George Stephenson, among the others. The meeting was supposedly canceled after the plots of the Rani and the Tremas Master, thwarted by the Sixth Doctor. (TV: The Mark of the Rani)