ROBERT KOCH (1843-1910). German doctor and bacteriologist. Discoverer of Tuberculosis bacillum and the procedure to cure it. ENGRAVING by Rico. "The Spanish and American Illustration". 1890.
ROBERT KOCH (1843-1910). German doctor and bacteriologist. Discoverer of Tuberculosis bacillum and the procedure to cure it. ENGRAVING by Rico. "The Spanish and American Illustration". 1890