Definition that contains alton
- sir john cockcroft British physicist who (with Ernest Walton in 1931) first split an atom (1897-1967)
- sir john douglas cockcroft British physicist who (with Ernest Walton in 1931) first split an atom (1897-1967)
- cockcroft British physicist who (with Ernest Walton in 1931) first split an atom (1897-1967)