Charles Lyell – Scientist of the Day

Charles Lyell, a Scottish geologist, was born Nov 14, 1797. 

Parker Cleaveland – Scientist of the Day

Parker Cleaveland, an American geologist and mineralogist, died on Aug. 15, 1858, at the age of 78.

William Phillips – Scientist of the Day

William Phillips, an English geologist, printer, and publisher, was born May 10, 1775, in London. 

Robert J. Hay Cunningham – Scientist of the Day

Robert James Hay Cunningham, a Scottish geologist, died May 15, 1848; one source says he was just 27 years old at the time of his death, which I doubt, because we are going to discuss a book of his, published in 1838, that could hardly have been the work of a 17-year-old. 

Johann von Charpentier – Scientist of the Day

Johann Friedrich Wilhelm von Charpentier, a German geologist and mining engineer, died July 27, 1805, at the age of 67; he was born in Dresden in 1738.

Jean-Étienne Guettard – Scientist of the Day

Jean-Étienne Guettard, a French geologist, mineralogist, and naturalist, was born Sep. 22, 1715.