The story about Gustaf Dalén, the farm boy who became one of Sweden's greatest inventors.
| Release Date | September 16, 1954 | |
|---|---|---|
| Status | Released | |
| Original Title | Seger i mörker | |
| Runtime | 1h 48min | |
| Budget | — | |
| Revenue | — | |
| Language | Swedish | |
| Original Language | Swedish | |
| Production Countries | Sweden | |
| Production Companies | SF Studios | |