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The story about Gustaf Dalén, the farm boy who became one of Sweden's greatest inventors.
- Genre: Drama
- Land: Sweden
- Direktør: Gösta Folke
- Aktører: Olof Bergström, Eva Stiberg, Gunnar Björnstrand, Kolbjörn Knudsen, Erik Strandmark, Gunnar Sjöberg, Åke Claesson, Märta Arbin, Carl Ström, Hans Strååt, Gunnar Olsson, Olle Hilding, Ernst Eklund, Björn Berglund, Gösta Prüzelius, Jan von Zweigbergk, Ingvar Kjellson, Rolf Huhtaniemi,
