The story about Gustaf Dalén, the farm boy who became one of Sweden's greatest inventors.

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Main Cast: Olof Bergström, Eva Stiberg, Gunnar Björnstrand, Kolbjörn Knudsen, Erik Strandmark, Gunnar Sjöberg, Åke Claesson, Märta Arbin, Carl Ström, Hans Strååt

Director: Gösta Folke

Writers: Gardar Sahlberg, Sten Söderberg, Rune Lindström

Editor:

Cinematographer:

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