Related Clues:
- Physics Nobelist Niels
- Physicist Niels
- 1922 Physics Nobelist
- Nuclear theorist Niels
- Pioneer in quantum theory
- Los Alamos scientist
- See 25-Down
- 1922 Nobelist in physics
- Nuclear Niels
- Nobelist Niels
- Noted Los Alamos scientist
- Danish physics Nobelist Niels
- Danish physicist Niels
- Either of two Nobel-winning physicists
- Atomic physicist Niels