A handout picture released by the Egyptian Presidency on August 7, 2016 shows the coffin of nobel prize-winning Egyptian-American chemist Ahmed Zewail draped in an Egyptian flag on a carriage during his military funeral at al-Musher mosque in Cairo. Zewail, who served as a science and technology advisor to US President Barack Obama, died on August 2, 2016 in the United States at the age of 70. / AFP PHOTO / EGYPTIAN PRESIDENCY / HO / === RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / EGYPTIAN PRESIDENCY' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS ==HO/AFP/Getty Images
