▁ 2 2 ▁October ▁ 1 9 7 3 ▁|| ▁( App oint ed ) ▁| - ▁| ▁bg color ="# E 9 E 9 E 9 " | ▁ 2 ▁|| ▁At ▁Vis ut y oth ap hib an ▁|| ▁ 1 ▁November ▁ 1 9 7 3 ▁|| ▁ 4 ▁June ▁ 1 9 7 4 ▁|| ▁( App oint ed ) ▁| - ▁| ▁bg color ="# E 9 E 9 E 9 " | ▁ 3 ▁|| ▁Si ri ▁Sant ab ut ra ▁|| ▁ 5 ▁June ▁ 1 9 7 4 ▁|| ▁ 9 ▁March ▁ 1 9 7 5 ▁|| ▁( App oint ed ) ▁| - ▁| ▁bg color ="# E 9 E 9 E 9 " | ▁ 4 ▁|| ▁S ai ▁H ut ach aro en ▁|| ▁ 5 ▁May ▁ 1 9 7 5 ▁|| ▁ 9 ▁August ▁ 1 9 7 5 ▁|| ▁( App oint ed ) ▁| - ▁| ▁bg color ="# E 9 E 9 E 9 " | ▁ 5 ▁|| ▁ ▁|| ▁ 1 0 ▁August ▁ 1 9 7 5 ▁|| ▁ 2 9 ▁April ▁ 1 9 7 7 ▁|| ▁Dem ocrat ▁Party ▁| - ▁| ▁bg color ="# E 9 E 9 E 9 " | ▁ 6 ▁|| ▁Chal or ▁Th amm asi ri ▁|| ▁ 2 9 ▁April ▁ 1 9 7 7 ▁|| ▁ 1 4 ▁May ▁ 1 9 7 9 ▁|| ▁( App oint ed ) ▁| - ▁|