Search Result：Sir John Cockcroft
sir john cockcroft 
(TTS Sound)
(TTS Sound)Overview of noun sir_john_cockcroft
The noun sir john cockcroft has 1 sense
- Cockcroft, Sir John Cockcroft, Sir John Douglas Cockcroft -- (British physicist who (with Ernest Walton in 1931) first split an atom (1897-1967))