Szczepan Bialek wrote:

Feynman was a teacher.

Richard Feynman was a Ph.D. in physics and, among other awards, won a
Nobel Prize in Physics (1965) for his theory of quantum electrodynamics.

The scientists were the opposite opinion:

The scientists in 1900 had different opinions, but by Feynman's time
everyone knew better.

You are apparently the only one who hasn't yet learned.

You are a babbling idiot.