Enrico Fermi ranked physicist Ettore Majorana among the rarest geniuses, alongside Galileo and Newton. In 1938, at just 31, Majorana withdrew his life savings and vanished without a trace.

This episode traces his brilliant but deeply conflicted mind, his uncredited discoveries, and the decades-long mystery finally closed by forensic analysis.

• Deducing the neutron from the Curies' data but refusing to publish
• Publishing only nine papers despite world-changing insight
• His 1930s fascist sympathies revealed in archival letters
• The Majorana fermion now central to quantum computing research
• Facial analysis placing him alive in Venezuela in the 1950s