Rubuta ci gaba don wannan sakin layi - An haife shi ɗan Major Guy Melvil Gibbs da Margaret Gibbs (née St John) kuma ya yi karatu a Kwalejin Eton da Kwalejin Soja ta Royal, Sandhurst, Gibbs an ba shi izini a matsayin na biyu a cikin Kings Royal Rifle Corps (KRRC) a ranar 31 ga Disamba, 1939, kusan watanni hudu bayan shigar Burtaniya cikin Yaƙin Duniya na Biyu. Ba a shiga cikin aikin nan da nan ba, duk da haka, kamar yadda aka yi la'akari da cewa ya yi ƙuruciya, kuma ya kasance a cikin United Kingdom har sai an tura shi zuwa 2nd Battalion, KRRC, sannan Lieutenant Colonel George Erskine ya umurce shi kuma a cikin tsarin sake fasalin bayan da ya sha wahala sosai a lokacin kewaye Calais. Gibbs, wanda aka ba shi mukamin Laftanar a ranar 1 ga Yuli, 1941, ya kasance tare da bataliya har zuwa karshen yakin kuma an tura shi zuwa Arewacin Afirka tare da bataliya a ƙarshen 1941, an ba shi lambar yabo ta Soja (MC) a ranar 15 ga Oktoba, 1942. Bayan ya halarci Yaƙin El Alamein na Biyu, ya ɗauki umurnin 'C Company' na rundunarsa a watan Maris na 1943 kuma ya ci gaba da kasancewa a wannan matsayin har zuwa ƙarshen yaƙin. Ya umurci kamfaninsa a cikin matakai na karshe na Kamfen na Tunisiya, ya shiga cikin mamayewar Allied na Italiya, da Normandy saukowa da kuma fadace-fadace na gaba a Arewa maso Yammacin Turai
har zuwa Ranar Nasara a Turai (VE Day) a watan Mayu 1945. A duk wannan lokacin, daga D-Day zuwa VE Day, daya daga cikin abokan aikinsa shine Edwin Bramall. Kamar Gibbs da kansa, Bramall an ƙaddara ya kai ga mafi girman matsayi. An ba shi lambar yabo ta Distinguished Service Order (DSO) a ranar 2 ga Agusta 1945.