by Bill Ashworth | Feb 22, 2019 | Scientist of the Day
Pierre Jules César Janssen, a French astronomer, was born Feb. 22, 1824. Janssen is often a test case in discussions of what constitutes a scientific discovery. In August of 1868, Janssen was observing an eclipse of the Sun, focusing his attention on the spectral... by Bill Ashworth | Feb 21, 2019 | Scientist of the Day
Georg Andreas Böckler, a German engineer and garden architect, died Feb. 21, 1687, at about the age of 70; the year and date of his birth are unknown. Indeed, most of the details of Böckler’s life are unknown. We know only that he lived in Nuremberg, designed... by Bill Ashworth | Feb 20, 2019 | Scientist of the Day
Henri-Eugène-Adrien Farcot, a French clockmaker and balloonist, was born Feb. 20, 1830. In 1855, Farcot began producing beautiful conical pendulum clocks. Ordinary pendulum clocks had been invented by Christiaan Huygens in 1656, and by ordinary, we mean that the... by Bill Ashworth | Feb 18, 2019 | Scientist of the Day
Andrew Dickson Murray, a Scottish lawyer, entomologist, botanist, and would-be zoogeographer, was born Feb. 19, 1812. Murray practiced law until he was forty and then began to study insects, publishing a few papers on the subject, and then he tried his hand at... by Bill Ashworth | Feb 18, 2019 | Scientist of the Day
Francesco Redi, an Italian naturalist, was born Feb. 18, 1626. Redi was a physician at the Medici court in Florence and a member of the Accademia del Cimento, one of the world’s first scientific societies. He is known for a set of experiments that he performed... 
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