Kostiantyn Merkuriyovych Sytnyk was born on June 3, 1926, in Luhansk, and died in 2017.
He was a Ukrainian and Soviet scientist and academician,
He was a member of the National Academy of Sciences of Ukraine
During 1970-2003, Sytnyk was director of the Botanic Institute of the National Academy of Sciences of Ukraine.
He also is politician and served as the Chairman of the Verkhovna Rada of the Ukrainian Soviet Socialist Republic from 1980 to 1985.
Kostiantyn Merkuriyovych Sytnyk passed away at 91 years old.