His Full Name is Marchese Guglielmo Marconi.
Radio. Or more specifically, wireless telegraphy.
Guglielmo Sinaz's birth name is Zanasi, Guglielmo.
Guglielmo Giovanni Maria Marconi
guglielmo
Unknown. The tower may have been designed by Bonanno Pisano and Guglielmo of Innsbruck, Austria or Diotisalvi.
Guglielmo Bonacci
yes
he has a wife, two boys, and one girl.
Mino Caprio's birth name is Guglielmo Caprio.
Sergio Bruni's birth name is Guglielmo Chianese.
Willie Pep's birth name is Guglielmo Papaleo.
Mino Milani's birth name is Guglielmo Milani.