Edvard Johannes Gabriel Af_Hällstrom (Finland,* Tuesday 01.01.1878    -   † Sunday 14.07.1957).

Chess composer of chess problems and endgame studies

Composer born in Helsingfors, a forest expert who composed about 6 direct and reverse problems and a score of studies.

Endgame studies: On the Dutch Website of arves.org 9 endgame studies composed by him are selected and can be replayed.

On the Website Chess Composers is written: "Edvard af Hällström was a forester born in Helsingfors (Helsinki). He was the grandson of the scientist Gustaf Gabriel Hällström. He composed endgames, direct mates and selfmates chess problems."

Source: arves.org