Ramba uchiverenga ndima iyi - Jebb akava Mumiriri weUnited Kingdom kuUnited Nations kubva muna 1950 kusvika muna 1954 uye kuParis kubva muna 1954 kusvika muna 1960. Akanga ari mumiriri wokutanga wenguva dzose weUnited Kingdom kuUN. Muchiitiko chokupedzisira, akatsamwa kuti nhaurirano dzakavanzika pakati peBritain, France neIsrael pamberi pokupinda kweSuez
muna 1956 muSèvres asingazvizivi uye, mune dzimwe nzira, kuti akasiyiwa parutivi naMutungamiriri weHurumende Harold Macmillan pamusangano we"masimba makuru" muParis muna 1960.