William Wilberforce

http://en.wikipedia.org/wiki/William_Wilberforce
http://www.bbc.co.uk/history/historic_figures/wilberforce_william.shtml
http://www.spartacus.schoolnet.co.uk/REwilberforce.htm
http://www.christianitytoday.com/ch/131christians/activists/wilberforce.html
http://www.mylearning.org/william-wilberforce/p-685/