Noun
Irish physicist who (with Sir John Cockcroft in 1931) first split an atom (1903-1995)
Source: WordNetRutherford's speech touched on the 1932 work of his students John Cockcroft and Ernest Walton in "splitting" lithium into alpha particles by bombardment with protons from a particle accelerator they had constructed. Source: Internet
Generally, however, the colleges maintain a cordial relationship with one other; compatriotism led famously to the splitting of the atomic nucleus in 1932 by Ernest Walton (Trinity) and John Cockcroft (St John's). Source: Internet