Related Clues:
- First name in gravity
- 'Foundation' author Asimov
- Hayes who voiced Chef in "South Park"
- Regularly shun kinsman, arch-patriarch
- Sir -- Newton
- Half-brother of Ishmael
- 'I, Robot' writer Asimov
- Newton with a bump on the noggin
- Man's savings scheme account
- With 45-Across, "The Bicentennial Man" author
- Singer, for example, appearing in Pisa (a cappella)
- "Shaft" Hayes
- Smooth Hayes
- Hanson guitarist
- "Black Moses" Hayes