- Country: Italy
- Genres: Crime
- Release: 1972-04-25
- Director: Leandro Castellani
- Writers: Sergio Amidei , Leandro Castellani , Diego Fabbri , Mirko Tebaldi
- Language: N/A
- Stars: Orso Maria Guerrini , Luigi Pistilli , Mariella Zanetti , Loredana Savelli , Annalisa Fierro , Guido Alberti , Luigi Casellato , Pietro Biondi , Luciano Virgilio , Beatrice Corsini
- Runtime: 70 min
- Awards: N/A
- AKA: Ipotesi sulla scomparsa di un fisico atomico (Italy) , Ipotesi sulla scomparsa di un fisico atomico (United Kingdom) , Ipotesi sulla scomparsa di un fisico atomico
- Plot: March 25, 1938 Ettore Majorana disappeared after being seen getting on a ferry from Naples to Palermo, leaving only two letters, one addressed to his family and another to a colleague of studies, in which is contained an apparent intention of disappearing. Forty years later a student of physics has questioned its disappearance.
- IMDB:tt2964306
Ipotesi sulla scomparsa di un fisico atomico Cast · · · ALL
Leandro Castellani
Director
Orso Maria Guerrini
Ettore Majorana
Luigi Pistilli
University assistant
Mariella Zanetti
Mariella
Loredana Savelli
Mariella's mother
Annalisa Fierro
Mariella's friend
Guido Alberti
S.E. Arturo Bocchini
Luigi Casellato
Inspector
Pietro Biondi
Enrico Fermi
Claudio Baglioni
Young man singing