Here's another link caught,
http://vernissage.kiev.ua/Product/De...f-4ec7d9004d44
from the same information:
Chernoknizhny Gregory (1915 -?) - Ukrainian painter. He was born in the Orenburg region. In 1948 he graduated from the Kharkov Art Institute, studying with S. Prokhorova, N. Samokisha, Savina, C. Besedina. Since 1957 he has participated in exhibitions, including foreign ones. Lived and worked in Lutsk.