Ralf Tappert is a mineralogist who has studied diamonds and their host rocks from localities worldwide, including Canada, Brazil, South Africa, and Australia. He has worked as a university researcher and consultant, and he has published a number of articles about diamonds in international scientific journals.
Michelle Tappert is a geologist and a writer. In addition to studying the spectroscopy of rocks and minerals as a university researcher, she has worked as a consultant for the mineral exploration industry, searching for diamonds and other commodities.
