John Emerich Edward Dalberg-Acton, 1st Baron Acton, KCVO (English: John Emerich Edward Dalberg-Acton, 1st Baron Acton, 1834 June 10 - June 19, 1902), professor of history at the University of Cambridge, England, historian, and theoretical politician. One of the most influential figures in British intellectual and political life in the 19th century. Famous liberal guru. In English, it is often referred to as Lord Acton. Liberal Quote: “Power corrupts, and absolute power corrupts absolutely.

"From his book "Freedom and Power"