Mihajlo Idvorski Pupin, Ph.D, LL.D. (9 October 1858 – 12 March 1935; Serbian Cyrillic: Михајло Идворски Пупин), also known as Michael I. Pupin, was a Serbian physicist and physical chemist. 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 one founding member of National Advisory Committee for Aeronautics (NACA) on March 3, 1915, which later became NASA.
Read more about Mihajlo Idvorski Pupin: Early Life and Education, Studies in America, and Ph.D, Pupin Coils, Research During World War I, Contributions To Determining Borders of Yugoslavia, Mihajlo Pupin Foundation, Literary Work, Pupin Hall, Patents, Honors and Tributes, Private Life