Selection of studies out of more than 200 composed by 

Iosef (or Iossif) Mikhailovich Krikheli (or Kricheli)

(Georgia, 10.5.1931 - 20.9.1988)

GrandMaster of the FIDE in chess composition.

Title awarded in 1984.

Some more information about him in EG98 and on the French Wikipedia.

And a nice chesspuzzle on chesselo.

Also in this PDF more about him.

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

Harold van der Heijden database V (31-12-2015) a collection with over 85.000 studies)