Robert Koch

Robert Koch, a German microbiologist, was born Dec. 11, 1843.  In the 1860s, Louis Pasteur had proposed what would come to be called the germ theory of disease – that many diseases are caused by microorganisms, especially bacteria.  Koch, more than anyone,...

Matthias Baldwin

Matthias Baldwin, an American manufacturer, was born Dec. 10, 1795. Baldwin had a machine shop in Philadelphia and produced such goods as stationary steam engines. When the Age of the Railroad began in 1830, the United States did not lag far behind England in laying...

Adriaan Metius

Adriaan Adriaanszoon, now known as Adriaan Metius, a Dutch mathematician and astronomer, was born Dec. 9. 1571, in Alkmaar in the Netherlands. He was professor of mathematics at Franeker for 37 years.  Metius wrote several astronomical compendia, two of which we have...

Eve Curie

Eve Curie, writer, biographer, and public spokesperson for the women of France, was born Dec. 6, 1904. Eve was the younger daughter of Marie and Pierre Curie, sister to Irène Joliot-Curie, and sister-in-law to Frédéric Joliot-Curie, all of whom had been awarded Nobel...

Max Weber

Max Wilhelm Carl Weber, a Dutch-German zoologist, was born on December 5, 1852.  Not to be confused with the identically named founder of sociology, our Max Weber is best known for his 1904 monograph on mammalian comparative anatomy and systematics, Die Säugetiere....