Childhood, Tbilisi (1908-1924)

Studentship and early research, Leningrad (1924-1941)

Elabuga, Tatarian ASSR (1941-1944)

Byurakan Observatory (1946-1996)

Bucarest, Romania (1962)

Canberra, Australia (1963)

IAU Symp. #29 in Byurakan (1966)

St. Lazar Island, Italy (1967)

Visit to Argentina (1974)

SAO, Russia (1975)

Meeting in Byurakan (1976)

Cosmonauts in Byurakan (1981)

Abastumani Observatory, Georgia (1982)

Ambartsumian's 80th anniversary (1988)

Meeting in Byurakan (1989)

Other Byurakan meetings

Other foreign missions

Public activities