I feel that my father's greatest legacy was the people he inspired to get involved in public service and their communities, to join the Peace Corps, to go into space. And really that generation transformed this country in civil rights, social justice, the economy and everything.
Comedy is much more challenging, because you have to have the same level of belief but you have to make people laugh, and that's definitely a challenge.
Semantics, or the study of meaning, remained undeveloped, while phonetics made rapid progress and even came to occupy the central place in the scientific study of language.

