
Egyptians take pictures with their phones as the coffin of Nobel prize-winning Egyptian-American chemist Ahmed Zewail is carried out of an ambulance at the Sixth of October cemetery for the last part of his funeral procession on August 7, 2016 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 / STRSTR/AFP/Getty Images


