Marconi, inventor of radio (wireless) is death.
Full title reads: "ROME".
DEATH OF MARCONI
A ship at sea. Bundle of aerials on the ship. Mr Guglielmo Marconi, inventor of the wireless (radio - presumably radio waves) on the ship looking into camera. The ship is owned by Marconi who was doing his latest experiments just before death. Close up shot of Marconi with earphones listening to something, he smiles. Marconi rotating one of his experiments - presumably.