Clara developed a close relationship with Hugh Dalton and campaigned for Dalton when he contested the Cambridge By - election in 1 922 .
Hugh Dalton was to become Chancellor of the Exchequer in the Attlee ministry of 1945 .
Clara developed a close relationship with Hugh Dalton , who was to become Chancellor of the Exchequer in the Attlee ministry of 1945 , and campaigned for Dalton when he contested the Cambridge By - election in 1 922 .