Scientist of the Day

Heike Kamerlingh Onnes

September 21, 2018

Heike Kamerlingh Onnes, a Dutch physicist, was born Sep. 21, 1853. He specialized in studying matter at extremely low temperatures.  Yesterday’s Scientist of the Day, James Dewar, was also a low temperature physicist.  Ordinarily we like to vary the fields of...

James Dewar

September 20, 2018

James Dewar, a Scottish physicist and chemist, was born Sep. 20, 1842.  Dewar was a professor of experimental science at Cambridge and professor of chemistry at the Royal Institution in London, and he held both positions simultaneously for over 45 years until his...

Richard Harlan

September 19, 2018

Richard Harlan, an American naturalist, was born Sep. 19, 1796.  Harlan wrote the first book about North American mammals, Fauna Americana (1825), and because of that, and the fact that he worked within the Academy of Natural Sciences in Philadelphia, people sent him...

Leon Foucault

September 18, 2018

Léon Foucault, a French physical scientist, was born Sep. 18, 1819.  Foucault was a very talented gentleman physicist, which is to say, he never held an academic position. He was one of the pioneers of scientific photography, taking the first daguerreotype of the Sun...

Stephen Hales

September 17, 2018

Stephen Hales, an English physicist and plant physiologist, was born Sep. 17, 1677. Hales was an ardent follower of Isaac Newton, and he attempted to find the same laws and regularities in plants that Newton had found in the inorganic world. Between 1723 and 1725,...

James Walker

September 14, 2018

James Walker, a Scottish civil engineer, was born Sep. 14, 1781.  Walker was involved in all sorts of engineering projects, designing railways, docks, bridges, canals, and, most prolifically, lighthouses.  Walker is seldom mentioned in the same sentence with...