ey lon ▁as ▁the ▁lower ▁house . ▁The ▁position ▁of ▁president ▁was ▁created ▁under ▁clause ▁ 1 6 ▁of ▁the ▁C ey lon ▁( Const itution ) ▁Order ▁in ▁Council , ▁ 1 9 4 7 , ▁which ▁required ▁the ▁Senate ▁at ▁its ▁first ▁constit uted ▁meeting ▁to ▁elect ▁two ▁sen ators ▁to ▁the ▁role ▁of ▁president ▁and ▁deput y ▁president . ▁The ▁position ▁becoming ▁vac ant ▁when ▁the ▁president ▁either ▁res igned ▁or ▁ceased ▁to ▁be ▁a ▁sen ator . ▁The ▁president ▁had ▁the ▁casting ▁vote ▁in ▁the ▁event ▁of ▁a ▁tied ▁vote ▁in ▁the ▁sen ate . ▁ ▁List ▁of ▁Senate ▁pres idents ▁The ▁first ▁president ▁was ▁Sir ▁Ger ard ▁W ij ey ek oon , ▁who ▁was ▁elected ▁at ▁the ▁first ▁sitting ▁of ▁the ▁sen ate ▁on ▁ 1 4 ▁October ▁ 1 9 4 7 . ▁Following ▁W ij ey ek oon ' s ▁death ▁on ▁ 2 1 ▁September ▁ 1 9 5 2 ▁Sir ▁Nicholas ▁A tty g alle ▁was ▁elected ▁to ▁the ▁position ▁of ▁president ▁in ▁October ▁that ▁year , ▁less ▁than ▁a ▁year ▁after ▁he ▁was ▁appointed ▁to ▁the ▁sen ate . ▁On ▁ 1 8 ▁January ▁ 1 9 5 5 ▁A tty g alle ▁res igned ▁from ▁the ▁sen ate ▁to ▁take ▁up ▁a ▁position ▁as ▁the ▁vice ▁ch an cell or ▁of ▁the ▁University ▁of ▁C ey lon . ▁Sir ▁Cy ril ▁de ▁Zo ys a ▁was ▁elected ▁as ▁president ▁and ▁Lady ▁Ad eline ▁Mol am ure ▁as ▁deput y ▁president ▁on