
TOPSHOT - Egyptian policemen look-out from a police vehicle parked during the arrival of the body of nobel prize-winning Egyptian-American chemist Ahmed Zewail, at Cairo airport on August 6, 2016. Zewail, who served as a science and technology advisor to US President Barack Obama, died on August 6, 2016 in the United States. He was 70. / AFP PHOTO / KHALED DESOUKIKHALED DESOUKI/AFP/Getty Images


