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Rontgen, Wilhelm Conrad (1845-1923). German physicist. Discovered Roentgen rays or X-ray (1895)Wilhelm Conrad Rontgen (1845-1923). German physicist. Discovered Rontgen rays or X-ray (1895). In 1901 he was awarded the Nobel Prize in Physics. Rontgen exploring a child with X-ray device by 1900
Santiago Ramon and Cajal (1852-1934) Spanish histologist, physician and pathologistSantiago Ramon and Cajal (1852-1934).. Spanish histologist, physician and pathologist. He made important discoveries such as laws governing the morphology and connections of nerve cells in the brain
KOCH, Robert (Clausthal, near Hanover, 1843-Baden-Baden, 1910)Robert Koch (Clausthal, near Hanover, 1843-Baden-Baden, 1910). German doctor. In 1882, he discovered the bacillus of tuberculosis, known as Kochs bacillus and tuberculin
Curie, Irene (Paris, 1897-1956). French physicist. She conducted research on nuclear physics and earned the Nobel Prize in Chemistry in 1935, shared with her husband
Rutherford, Ernest (Nelson, New Zealand, 1871-Cambridge, 1937). English physicist. Study of radioactivity, isotopes and the structure of matter. Nobel Prize in chemistry in 1908
MARCONI, Guglielmo (1874-1937). Italian physicist. Nobel Prize in Physics in 1909. Engraving