What did the speaker do to prove Ralph was wrong?

Last week when I was watching TV news, the announcer, whose name was Ralph Story, said something that caught my attention. "All great discoveries, "he said, "are made by people between the ages of twenty-five and thirty. "being a little over thirty myself I wanted to disagree with him. The next day I spend several hours in the public library looking up ages of famous people and their discoveries. Ralph was right.
   Galileo discovered by the famous experiment that bodies of different weights fall at the same speed when he was 26. Madame Curie started her research that led to a Nobel Prize when she was 28. Einstein was 26 when he published his world-changing theory of relativity. Well, enough of that. Yet I wondered if those "best years were true in other fields.
   Then how about the field of politics? Winston Churchill was elected to the House of Commons at the age of 26. Abraham Lincoln gave up the life of a country lawyer and was elected to the government at what age? Twenty-six!
   But why don’t best years come after thirty? After thirty, I guess most people don’t want to take risks or try new ways. Then I thought of people like Shakespeare and Picasso. The former was writing wonderful works at the age of fifty, while the latter was still trying new ways of painting when he was ninety! Perhaps there is still hope for me.