Jeffrey Post is a mineralogist and recently retired from being the Curator-in-Charge of Gems and Minerals at the Smithsonian National Museum of Natural History. Jeffrey retired at the end of May and grew up in Mount Horeb.
Jeffrey Post is a mineralogist and recently retired from being the Curator-in-Charge of Gems and Minerals at the Smithsonian National Museum of Natural History. Jeffrey retired at the end of May and grew up in Mount Horeb.