▁Australia ▁( 1 9 7 5 - 1 9 8 3 ), ▁Le ader ▁of ▁the ▁O pp osition ▁( 1 9 7 5 ), ▁Le ader ▁of ▁the ▁Liberal ▁Party ▁( 1 9 7 5 - 1 9 8 3 ), ▁Minister ▁for ▁Education ▁and ▁Science ▁in ▁the ▁G orton ▁Government ▁and ▁Mc M ah on ▁Government , ▁Minister ▁for ▁Def ence ▁in ▁the ▁G orton ▁Government ▁and ▁Minister ▁for ▁the ▁Army ▁in ▁the ▁Hol t ▁Government ▁and ▁G orton ▁Government ▁( l ater ▁dis associ ated ▁himself ▁from ▁the ▁Conserv ative ▁Right , ▁leading ▁him ▁to ▁res ign ▁from ▁the ▁Liberal ▁Party ▁in ▁ 2 0 0 9 ▁and ▁end or se ▁Gre ens ▁Senator ▁Sarah ▁Hans on - You ng ▁at ▁the ▁ 2 0 1 3 ▁Federal ▁E lection ) ▁ ▁G ▁▁▁ ▁Ian ▁Good en ough , ▁Federal ▁MP ▁for ▁Moore , ▁property ▁developer ▁and ▁former ▁City ▁of ▁W ann ero o ▁coun c ill or ▁ ▁H ▁ ▁Cel ia ▁Hamm ond , ▁Federal ▁MP ▁for ▁Curt in ▁and ▁former ▁Vice ▁Chan cell or ▁of ▁the ▁University ▁of ▁Notre ▁D ame ▁Sir ▁Paul ▁Has l uck , ▁K G , ▁GC M G , ▁G CV O , ▁Governor - General ▁of ▁Australia ▁( 1 9 6 9 - 1 9 7 4 ), ▁Minister ▁for ▁External ▁Affairs ▁in ▁the ▁M enz ies ▁Government , ▁Hol t ▁Government ▁and ▁G orton ▁Government , ▁Minister ▁for ▁Def ence ▁in ▁the ▁M enz ies ▁Government ▁and ▁Minister ▁for ▁Territ