<prompt> Bhala okuqhubekayo kwalesi sigaba - uHalliday wazalwa ngo-19 Agasti 1926 eLiverpool kuWilliam Reginald Halliday no-Edith Hilda née Macneile Dixon. Umlando womndeni wakhe wawuhlanganisa nokhokho abaningi abasebenza emkhakheni wezokwelapha. UHalliday wafunda esikoleni iDauntseys School, wafunda ezokwelapha eNyuvesi yaseGlasgow lapho aphothula khona ngo-1949. Ngo-1950 wenza inkonzo yakhe kazwelonke lapho ayesebenzela khona isigaba sezokwelapha sebutho laseBrithani. UHalliday wasebenza ngokuzamazama kweminwe, okwakubonakala kuhlobene nokulala. Ucwaningo lwakhe lwaluwusizo njengoba ngezinye izikhathi abashayeli bezindiza baseBrithani babelala lapho besendiza ubusuku nemini beya eBerlin  <response>: . futhi. Ngenxa yalokho, kwaphawulwa u - Arnold Carmichael, umqondisi wophiko lwe - neurophysiology lweSibhedlela Sikazwelonke. UCarmichael wancenga uHalliday ukuba eze ezosebenza eNational lapho eqeda inkonzo yakhe kazwelonke ngo-1953. Ekuqaleni uHalliday wajoyina iqembu labacwaningi, kwathi ngo-1961 waba umxhumanisi kwezokwelapha futhi waba yinhloko yoMkhandlu Wocwaningo Lwezokwelapha. 