Alek Keshishian and Tony Petrossian, have which mutual occupations?
Alek Keshishian Alek Keshishian (Armenian: Ալեք Գևորգի Քեշիշյան , born 30 July 1964 in Beirut, Lebanon) is an Armenian-American film and commercial director, writer, producer and music video director. He is best known for his 1991 film "" which was, at the time, the highest-grossing documentary of all time.
Tigran Petrosian Tigran Vartanovich Petrosian (Russian: Тигра́н Варта́нович Петрося́н ; Armenian: Տիգրան Պետրոսյան ; June 17, 1929 – August 13, 1984) was a Soviet Armenian Grandmaster, and World Chess Champion from 1963 to 1969. He was nicknamed "Iron Tigran" due to his almost impenetrable defensive playing style, which emphasised safety above all else.