American inventor, engineer and entrepreneur (…)
John Jacob Astor IV
American businessman and inventor (…)
Mark Twain
Is the pen name of the American writer Samuel Langhorne Clemens (…)
John Pierpont Morgan
American banker and collector (…)
Emma Calvé
French opera singer (…)
Thomas Alva Edison
American inventor and industrialist (…)
Lord Kelvin
British physicist (…)