Feynman was a showman but he was also a good physicist. Not among top 10 or 20 in the 20th century as many popular polls put him, but still really good physicis

Feynman was a showman but he was also a good physicist. Not among top 10 or 20 in the 20th century as many popular polls put him, but still really good physicist. He had great teaching ability. That justifies his fame. Just like Gilbert Strang deserves his fame.