PERSON@1 -LRB- April NUMBER@1 , NUMBER@2 - October NUMBER@3 , NUMBER@4 -RRB- served as the first President of LOCATION@1 and previously PERSON@2 , from the country 's founding in NUMBER@5 until his retirement in NUMBER@6 .

PERSON@1 -LRB- April NUMBER@1 NUMBER@2 - October NUMBER@3 NUMBER@4 -RRB- , also known as PERSON@3 -LRB- teacher -RRB- , was President of LOCATION@1 from NUMBER@7 to NUMBER@6 , though he was still influential in politics until his death in NUMBER@4 because of his popularity .
