When the war ended Sneddon was appointed to a research post in the H H Wills Physical Laboratory at Bristol University where he continued to work with Mott on nuclear physics and also on their book on wave mechanics.
Kapag natapos na ang digmaan Sneddon ay hihirangin upang angkinin ang isang research-post sa HH Wills Physical Laboratory sa Bristol University kung saan siya ay patuloy na gagana sa Mott sa nuclear physics at din sa kanilang mga libro sa kumaway mechanics.