Complex sentence: In a magazine he published during the 70's in Beirut, he offered a prize in each issue, to whoever would write the best essay in Lebanese Arabic and since then the Said Akl awards had been granted to many Lebanese intellectuals and artists.
Split into simpler sentences: In a magazine he published during the' 70s he offered a prize in each issue to whoever authored the best essay in Lebanese Arabic. Since then the Said Akl awards had been granted to many Lebanese intellectuals and artists.