Main works are devoted to the history of ancient and medieval Armenian philosophy, as well as study of sources, publication of critical texts and scientific translations of medieval authors’ works

Graduated from YSU (1951), Ph. D. (1972), acad. (1996, corr.-member, since 1982)

Counselor of the Director of the Mashtots Matenadaran (since 2007), Head of the Group of Philosophy, Sociology and Right of the Institute of Philosophy of the National Academy of Sciences of the RA (since 1990)

Member of the International Academies “Ararat” (Paris, 1993); of Natural and Social Sciences (Moscow, 1995); of Issues of National Security Studying (1998)

Laureate of the State Prize of the Armenian SSR (1978), Bearer of the Order of the Red Banner of Labor (1986) and the Order “Saint Sahak – Saint Mesrop” (Holy Echmiadzin, 2004)

Junior Researcher (1954-1957), Senior Researcher (1957-1959) of the Philosophy Sector of the National Academy of Sciences of the RA, Junior Researcher of the Institute of Philosophy, Sociology and Right of the National Academy of Sciences of the RA (1972-1979), Head of Department (1959-1982) of the Mashtots Matenadaran, Director (1982-2007). Founder and Chairman of the Cultural Found of Armenia (1986-1989), Tutor of the Yerevan State University (1975-1978), Honorary Citizen of Yerevan (2001).