The Prisoner of Karl's Fortress (Fången på Karlstens fästning) 108 years old

Count de Faber is working on a new type of explosives, but reads in a newspaper that the Swedish professor Plussman beat him to it.

Credits

The Prisoner of Karl's Fortress Cast

Name	Character
Hugo Björne He was 30, 80 years old when he died	as student
Gabriel Alw He was 26, 56 years old when he died	as student

The Prisoner of Karl's Fortress Crew

Name	Department