In 1965 Kingman moved from Cambridge when he was appointed as reader in mathematics and statistics at the University of Sussex. Sussex was a very new university when Kingman was appointed there since it had only been founded a few years earlier. He said:
Sa 1965 Kingman inilipat mula sa Cambridge kapag siya ay hinirang bilang reader sa matematika at istatistika sa University of Sussex. Sussex ay isang bagong unibersidad kapag Kingman ay hihirangin doon dahil ito ay may lamang ay itinatag ng ilang mga taon na mas maaga. He said: