Paul Ehrlich , pioneer of haematology and immunology, pictured at his desk. Graduating from Leipzig in 1878, Ehrlich discovered the mast cells in...
Paul Ehrlich was a pioneer of haematology and immunology. Graduating from Leipzig in 1878, Ehrlich discovered the mast cells in blood and techniques...
Portrait dated probably 1903 in Berlin of Robert Koch , German bacterioligist, physician and surgeon, who discovered in 1982 the tuberculosis...
Colorized photograph of German scientist Robert Koch, from the chest up, wearing a dark suit, a bow tie, and wire-rimmed glasses, with his face...
Paul Ehrlich , pioneer of haematology and immunology, pictured in his office. Graduating from Leipzig in 1878, Ehrlich discovered the mast cells in...
Robert Koch German bacteriologist and physician. Tubercule bacillus: Tuberculin: Cholera bacillus: Nobel prize for physiology and medicine 1905....
German physician and pioneer bacteriologist Robert Koch, , who discovered the tuberclulosis bacillus , and the cholera bacillus . He won the 1905...
Robert Koch German bacteriologist and physician in his laboratory. In 1890 Koch introduced Tuberculin which he thought was a cure for Tuberculosis....
Robert Koch (1843-1910, German bacteriologist and physician in his laboratory. In 1890 Koch introduced Tuberculin which he thought a cure for...
Paul Ehrlich was a pioneer of haematology and immunology. Graduating from Leipzig in 1878, Ehrlich discovered the mast cells in blood and techniques...
The writings of Paul Ehrlich , pioneer of haematology and immunology. Graduating from Leipzig in 1878, Ehrlich discovered the mast cells in blood and...
Handwritten paper by Paul Ehrlich , pioneer of haematology and immunology. Graduating from Leipzig in 1878, Ehrlich discovered the mast cells in...
Paul Ehrlich was a pioneer of haematology and immunology. Graduating from Leipzig in 1878, Ehrlich discovered the mast cells in blood and techniques...
Portrait of German bacteriologist Robert Koch 1843 - 1910 who isolated the anthrax bacillus and the cholera bacillus, He was awarded the Nobel prize...
Portrait of German bacteriologist Robert Koch 1843 - 1910 who isolated the anthrax bacillus and the cholera bacillus, He was awarded the Nobel prize...
Robert Koch German scientist and physician, Nobel prize in medicine 1905 Koch with members of the German parliament on an expedition in Entebbe - 1906
Robert Koch German scientist and physician, Nobel prize in medicine 1905 - with expedition members exploring the sleeping sickness in Africa, from...
Robert Koch German scientist and physician Nobel Prize in Medicine1905 Monument by Louis Tuaillon on Robert Koch Square in Berlin - 1916
Robert Koch German scientist and physician, Nobel prize in medicine 1905 Koch with members of the German parliament on an expedition in Entebbe -...
The Cholera bacilli, as exhibited by the German scientist and founder of modern medical bacteriology Robert Koch, at the Berlin Conference in 1884.
Robert Koch German bacteriologist who discovered the bacilli of cholera and won the Nobel prize for physiology in 1905.
Robert , German doctor, In 1882 discovered the bacillus of tuberculosis, known as Koch's bacillus and tuberculin, Nobel Prize in Medicine in 1905.
Robert , German doctor, In 1882 discovered the bacillus of tuberculosis, known as Koch's bacillus and tuberculin, Nobel Prize in Medicine in 1905.
Prussian doctor and microbiologist Robert Koch , circa 1900. In 1905, Koch was awarded the Nobel Prize in Medicine for his work on tuberculosis.
Robert Koch German bacteriologist and physician. Tubercule bacillus: Tuberculin: Cholera bacillus: Nobel prize for physiology and medicine 1905.
