Mihajlo Pupin

Mihajlo Idvorski Pupin (Serbian Cyrillic: Михајло Идворски Пупин, pronounced [miˈxǎjlo ˈîdʋoɾski ˈpǔpin]; October 4, 1858 – March 12, 1935), also known as Michael Pupin, was a Serbian-American electrical engineer, physicist and inventor.
Pupin is best known for his numerous patents, including a means of greatly extending the range of long-distance telephone communication by placing loading coils (of wire) at predetermined intervals along the transmitting wire (known as "pupinization"). Pupin was a founding member of National Advisory Committee for Aeronautics (NACA) on 3 March 1915, which… More on Wikipedia →