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Today in Science History
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Today in Science History website connection.
Today in Science History website connection.

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20 Sep 1842—#onthisday Sir James Dewar was born. He is remembered for experiments upon air at very low temperatures. He liquefied air at ordinary atmospheric pressure, then froze it into a clear, transparent solid.—Read his bio https://todayinsci.com/D/Dewar_James/DewarJamesBio-SciAm(1910).htm
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Fundamental research … pumps the lifeblood of idea and inventiveness not only into the technological laboratories and factories, but into every cultural activity of our time.—Victor Weisskopf born #onthisday 19 Sep 1908—See more of his #quotes at https://todayinsci.com/W/Weisskopf_Victor/WeisskopfVictor-Quotations.htm
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The Earth is the cradle of humanity, but we cannot live forever in a cradle. — Konstantin Tsiolkovsky born #onthisday 17 Sep 1857—More of his #quotes at https://todayinsci.com/T/Tsiolkovsky_Konstantin/TsiolkovskyKonstantin-Quotations.htm
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By felling the trees which cover the tops and sides of mountains, men in all climates seem to bring upon future generations two calamities at once; want of fuel and a scarcity of water.—Alexander Humbold, born #onthisday 14 Sep 1769—See more of his #quotes at https://todayinsci.com/H/Humboldt_Alexander/HumboldtAlexander-Quotations.htm
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11 Sep 1978—#onthisday the last smallpox death, of Janet Parker, was recorded, beginning the past 40 years period of total eradication of this deadly disease. Smallpox had claimed millions of people through history. See more science events on 11 Sep at https://todayinsci.com/9/9_11.htm
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11 Sep 2001—#onthisday William E. Caswell, an American physicist, aboard Flight 77, died when terrorists crashed the airplane into the Pentagon. For more on this, and other science events on this day, see http://todayinsci.com/9/9_11.htm
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The text-book is rare that stimulates its reader to ask, Why is this so? Or, How does this connect with what has been read elsewhere?—J. Norman Collie, born #onthisday 10 Sep 1859. See another of his #quotes at https://todayinsci.com/C/Collie_Norman/CollieNorman-Quotations.htm
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Nature creates curved lines while humans create straight lines.—Hideki Yukawa died #onthisday 8 Sep 1981. Read more of his #quotes at https://todayinsci.com/Y/Yukawa_Hideki/YukawaHideki-Quotations.htm
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8 Sep 1854—#onthisday Dr. John Snow acted to curb a cholera epidemic in London. He pioneered epidemiology. Read him writing about the Mode of Communication of Cholera (“evacuations from the alimentary canal”) at https://todayinsci.com/S/Snow_John/SnowJohn-LetterOnCholera.htm
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7 Sep 1674—#onthisday Antonie van Leeuwenhoek wrote a letter to the Royal Society, the first recorded description of protozoa. Read his letter at https://todayinsci.com/L/Leeuwenhoek_Antonie/LeeuwenhoekAntonie-Letter7Sep1674.htm and see more of his #quotes at https://todayinsci.com/L/Leeuwenhoek_Antonie/LeeuwenhoekAntonie-Quotations.htm
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