Guglielmo Giovanni Maria Marconi
Radio. Or more specifically, wireless telegraphy.
yes
Guglielmo Sinaz's birth name is Zanasi, Guglielmo.
His Full Name is Marchese Guglielmo Marconi.
guglielmo
Guglielmo Bonacci
he has a wife, two boys, and one girl.
Willie Pep's birth name is Guglielmo Papaleo.
Mino Milani's birth name is Guglielmo Milani.
Mino Giarda's birth name is Giarda, Guglielmo.
Memmo Carotenuto's birth name is Guglielmo Carotenuto.
Mino Caprio's birth name is Guglielmo Caprio.