Studies composed by

Theodorus Cornelus Louis Kok

(Netherlands, 23.11.1906 - 28.5.1999).

(see also dutch History).

At ChesscomposerBlogspot you can read about him:

Theodorus Kok composed endgame studies and problems and published "Eindspelen en Problemen" in 1938.

He composed all his studies between 1933 and 1941.

The manuscripts of his books about endgame studies ("Wege zur Endspielstudie" - two books about pawns endgames and queens endgames) were written in 1940-41, discovered 50 years later and published in 1992.

He invented the Imitator in 1939 (under the pseudonym of Gerrit Jansen, in an article published in Fairy Chess Review, April, 1939; source: Julia's Fairies forum).

His obituary can be found in EG 135.

 

(All his studies, more exact dates, possible corrections or cooks and exact details about sources can be found in the

Harold van der Heijden (HHdbVI))

 On YouTube Suren also presents a great study of him.