For the past 85 years Time magazine has named its annual Person of the Year, the person who they feel has made the biggest impact on US life and upon the world. It offers a unique window in our recent history and the men and women who have shaped it.

Click through to see the last 50 years of Time Magazine's Person of the Year.

Pictured here is Pope John XXIII, who oversaw Vatican II - a significant shake-up of the Catholic Church.