Friday, November 21, 2025

Georgius Agricola's Death Anniversary

Georgius Agricola, who passed away on 21 November 1555, in Chemnitz, was a German scholar and scientist known as “the father of mineralogy.” While a highly educated classicist and humanist, well regarded by scholars of his own and later times, he was yet singularly independent of the theories of ancient authorities. He was indeed among the first to found a natural science upon observation, as opposed to speculation. His De re metallica dealt chiefly with the arts of mining and smelting, and his De natura fossilium, considered the first mineralogy textbook, presented the first scientific classification of minerals (based on their physical properties) and described many new minerals and their occurrence and mutual relationships.

Edward Herbert Land's Death Anniversary

  Edwin Herbert Land, who passed away on 1 March 1991, aged 81, in Cambridge, Massachusetts, U.S., was an American scientist and inventor, ...