Even such an obvious idea as to observe an animal with vertigo or to rotate an animal did not occur to him, in spite of the fact that he conducted numerous vertigo experiments with human subjects and made frequent use of animal experiments. ↗
I was a dancer from a young age. My parents were dancers; we were taken to a lot of ballet as children. It occurred to me that what I liked more than dancing the steps was acting the story of whatever particular performance I was taking part in. ↗