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Robert Koch
Portrait of Robert Koch (1843-1910), published in 1907 in Les Prix Nobel.
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Robert Guiscard
Robert Guiscard (1015-1085) was a Norman knight best known for conquering much of Southern Italy and Sicily during the 11th century. His many exploits include the expulsion of the Byzantines from Italy, support of a reformist...
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Robert the Bruce
Robert I of Scotland, better known as Robert the Bruce, reigned as King of Scotland from 1306 to 1329 CE. For his role in achieving independence from England, Robert the Bruce has long been regarded as a national hero and one...
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Robert II of Scotland
Robert II of Scotland ruled as king from 1371 to 1390. Born Robert Stewart, he succeeded the heirless David II of Scotland (r. 1329-1371) and so founded the royal house of Stewart. Dividing Scottish estates between his many...
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Germ Theory
The germ theory, which emerged in the late 19th century, demonstrated that microscopic germs caused most human infectious diseases. The germs involved included bacteria, viruses, fungi, protozoa, and prions. Louis Pasteur (1822-1895...
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Robert Schumann
Robert Schumann (1810-1856) was a German composer of Romantic music, particularly piano and orchestral works, as well as over 250 songs or lieder. He was also a musical critic and founded his own magazine. His wife Clara Schumann...
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Robert Boyle
Robert Boyle (1627-1691) was an Anglo-Irish chemist, physicist, and experimental philosopher. Boyle was a prolific author, made significant experiments with air pumps, and presented the first litmus test. A founding member of the...
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Robert Dudley, 1st Earl of Leicester
Robert Dudley, 1st Earl of Leicester (l. c. 1532-1588), was a high-ranking courtier who rose to become a favourite of Elizabeth I of England (r. 1558-1603). Rumours abounded that Dudley sought to marry the queen...
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Robert E. Lee - General-in-Chief of the Southern Confederacy
Robert E. Lee (1807-1870) was the most prominent Confederate general of the American Civil War (1861-1865), who commanded the Army of Northern Virginia for much of the war and was named general-in-chief...
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Robert Hooke
Robert Hooke (1635-1703) was an English scientist, architect, and natural philosopher who became a key figure in the Scientific Revolution. Hooke conducted his scientific experiments outside the auspices of universities, and he was...