/oss/taxonomy/term/3515/all en /oss/article/did-you-know/history-counterfeiting <p>Counterfeiting of coins has a long history. No less a personage than Isaac Newton took this bull by the horns. Late in his career he became Master of the Mint and obsessed about counterfeiters. He even designed coinage to stymie the criminals. But it was Joseph Black, Professor of Chemistry at Glasgow University who in the 18<sup>th</sup> century uncovered one of the cleverest counterfeiting schemes. One of Black’s main contributions to chemistry was the realization that carbon dioxide was given off when calcium carbonate was heated.</p> Thu, 15 Nov 2018 17:00:00 +0000 Joe Schwarcz PhD 7448 at /oss