So what are these?
1882 - Robert Koch announces the discovery of the bacterium responsible for tuberculosis (mycobacterium tuberculosis; seen above
1965 - Ranger 9, equipped to convert its signals into a form suitable for showing on domestic television, brings images of the…
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1957 - Launch of Sputnik I, the first artificial satellite to orbit the Earth.
1562 - Christian SÃ¸rensen Longomontanus, Danish astronomer
1723 - Nikolaus Poda von…
1823 - Johannes Friedrich August von Esmarch, German surgeon
1868 - S. P. L. SÃ¸rensen, Danish chemist
1879 - John Broadus Watson, American psychologist
1922 - Har Gobind Khorana, Indian physiologist and Nobel Prize laureate
1757 - Bernard le Bovier de Fontenelle, French scientist…
1651 - Ehrenfried Walther von Tschirnhaus, German mathematician
1755 - Samuel Hahnemann, German physician
1762 - Giovanni Aldini, Italian physicist
1887 - Bernardo Houssay, Argentine physiologist, Nobel Prize laureate
1917 - Robert Burns Woodward, American chemist, Nobel Prize laureate…