Born in Istanbul , he received his BA in Mathematical and Astronomical Science in 1945 .
Agop Terzan ( born October 31 , 1927 ) is a French - Armenian astronomer .
Born in Istanbul , Agop Terzan received Agop Terzan 's BA in Mathematical and Astronomical Science in 1945 .
Agop Terzan ( born October 31 , 1927 ) is a French - Armenian astronomer .