The Rocket from Calabuch

Calabuch is a movie starring Edmund Gwenn, Valentina Cortese, and Juan Calvo. Professor Jorge Serra Hamilton, an American atomic bomb specialist, flees from his transcendental duties in order to take shelter incognito in the idyllic...
Professor Hamilton, a naive Nuclear scientist who once thought bombs were good for humanity, realizes his mistake and runs away from his inventions. He hides in Calabuch, a beautiful seaside town where people still believe in humor and friendship.