[3] He graduated from the Kyiv National I. K. Karpenko-Kary Theatre, Cinema and Television University in 1956.
[1] Since 1993, he was part of the Ivan Franko National Academic Drama Theater.
[2] The area in Verblyuzhka which used to have a house where he and his family lived is now a local landmark.
[3] Mykhailo Kramar, an actor who knew Sumsky, said that he painted frequently.
[3] Anatolii Khostikoiev, who is a husband of Sumsky's daughter Natalya, said that he was an avid fisherman.
[6] His daughter Olha said that he was principled and she recalled him saying: "I refuse this title, because I am a People's Artist of Ukraine and that is enough for me.