Nixon and Kissinger Meet with Four Arab Foreign Ministers, 17 October 1973: Ahmed Taiba Behima (Morocco), Sabah al-Ahmad al-Jabir al-Sabah (Kuwait), Omar Saqqaf (Saudi Arabia), and Abdelaziz Bouteflika (Algeria). Saqqaf is Nixon's right. The other two ministers have not been identified, while one of the four was not included in this photo.
Source: National Archives, Still Pictures Branch, Nixon Presidential Materials Photo Collection, file "Diplomatic"