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Title: Mihajlo Idvorski Pupin, Serbian Physicist
Caption: Mihajlo Idvorski Pupin (October 9, 1858 - March 12, 1935) 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. He was the first person in the United States make an X-ray image, shortened the exposure time from one hour to a few minutes and was he first use X-rays for medical purposes. He was a one founding member of National Advisory Committee for Aeronautics (NACA) in 1915, which later became NASA. When the USA joined World War I in 1917, Pupin was working at Columbia University, organizing a research group for submarine detection techniques. Besides his patents he published several dozen scientific disputes, articles, reviews and an autobiography in 1923. He died in 1935 at the age of 76.
Category: Science: Personalities
Credit: Album / LOC/Science Source
Image size: 3300 × 4420 px | 41.7 MB
Print size: 27.9 × 37.4 cm | 1299.2 × 1740.2 in (300 dpi)