Walton was awarded his PhD in 1931 and remained at Cambridge as a researcher until 1934 .
At the time there were four Nobel Prize laureates on the staff at the Cavendish lab and a further five were to emerge , including Walton and John Cockcroft .
Walton was awarded Walton 's PhD in 1931 and remained at Cambridge as a researcher until 1934 .
At the time there were four Nobel Prize laureates on the staff at the Cavendish lab and a further five were to emerge , including Walton and John Cockcroft .