in 1950s

in 1960s

in 1970s

in 1980s

Viktor Ambartsumian with Famous Armenians

with Aram Khachaturian

with Martiros Saryan, Derenik Demirchyan, Avetik Isahakyan

with William Saroyan

with Hovsep Orbeli

Viktor Ambartsumian with Famous Astronomers

with Jan Oort

with Subrahmanian Chandrasekhar

with Meghnad Saha

with Guillermo Haro and Oleg Melnikov

with Bart Bok

with Jorge Saade

with Viktor Sobolev

with Yervant Terzian