Orson Welles was 23 when he scared suburbia with his rendition of War of the Worlds as a radio news broadcast.
Orson Welles was 25 when Citizen Kane was released, arguably the best example of cinematic perfection that the world has seen.
Most people wouldn't be able to tell you anything that Orson Welles accomplished after 25. There were some notable things, but they were vastly overshadowed by his early work.
Welles is commonly used as an example in accomplishing big tasks early, but he's also a warning not to let age slow you down.
Here is a little tool showing some accomplishments by people at whatever age you choose. Don't focus on your point in life, just get to work.
http://www.museumofconceptualart.com/accomplished/index.html
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Bruce Klein — 2007-12-13 07:50:53 UTC
Interesting... my birthday is 4/11/74 (age: 33)
At age 33:
English feminist Mary Wollstonecraft wrote "Vindication of the Rights of Women"
Amelia Earhart became the first woman to fly across the Atlantic alone.
Jesus of Nazareth, a moral teacher and faith healer, was executed and eventually became the most renowned religious figure in history.