Alexander petrovich karpinsky biography of alberta
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Alexander Karpinsky
Alexander Petrovich Karpinsky was born in 1847, in Russia's Ural Mountains. The son and grandson of copper mining engineers, he spent his childhood in an area boasting a copper mine from the Bronze Age.
The Urals provided Russians with a bounty of riches besides copper: gold, platinum, diamonds, sapphires, emeralds, amethysts, aquamarine, topaz, even chameleonlike alexandrite. The Urals held other treasures, too, namely fossils.
Various attempts at reconstructing Helicoprion over 115 years.
Karpinsky suggestion configurations shown in (a), (b) and (c); (l) marks the reconstruction published in 2013.
Alexander petrovich karpinsky biography of alberta
From "Jaws for a Spiral-Tooth Whorl" by Tapanila, Pruitt, Pradel, Wilga, Ramsay, Schlader and Didier in Biology Letters. Illustration by Ray Troll.
Karpinsky may have picked up tips from the copper-mining field from his father, but didn't have many years to do that; his father died when Alexander was 11 years old.
Alexander subsequently attended the Saint Pe