Bagrat Ioannisiani

Bagrat Konstantinovich Ioannisiani (born 23 October [O.S. 10 October] 1911 in Yerevan, Armenia, died 10 December 1985 in Leningrad, Soviet Union) was a Soviet telescope designer of Armenian descent.

Bagrat Ioannisiani
Բագրատ Իոանիսյան
Born	23 October [O.S. 10 October] 1911 Yerevan, Armenia
Died	December 10, 1985(1985-12-10) (aged 74) Leningrad, Soviet Union
Nationality	Soviet-Armenian
Known for	Chief designer of the BTA-6 telescope
Awards	Hero of Socialist Labor (1977), three Order of Lenin, Order of the Badge of Honour, Lenin Prize

He was the chief designer of the BTA-6, one of the largest telescopes in the world.^[1] He was awarded the Lenin Prize in 1957.^[2]