Complex sentence: In 1999, Zewail became the third Egyptian national to receive the Nobel Prize, following Egyptian president Anwar Al-Sadat (1978 in Peace), Naguib Mahfouz (1988 in Literature).
Split into simpler sentences: In 1999, Zewail became the third Egyptian national to receive the Nobel Prize. His prize was following Egyptian president Anwar Al-Sadat (1978 in Peace), Naguib Mahfouz (1988 in Literature).