Albert Einstein in the United States in 1930s

In 1933, Hitler's Nazis confiscated his home, prompting him to vow never to return to Germany while they were in power. He became an American citizen in 1940 and led the Physics and Math department at Princeton University from 1933 to 1945. Despite his aversion to fame, he was celebrated globally for his contributions to science and humanity.

What position did he hold at Princeton University from 1933 until 1945?

How was he perceived by the world despite his feelings toward fame?