Prof. Dr. Henry A. Hänni FGA
Prof. Hänni received his Fellowship Diploma (FGA) from the Gemmological Association of Great Britain in 1976. He also holds an Expert Diploma of the Swiss Gemmological Society SGG where he has been serving many years as member of the scientific commission and still participates as an instructor during the annual education programme.
As a former director of the SSEF Swiss Gemmological Institute in Basel he has been guiding the gemmological laboratory for 30 years and was shaping the development of international gemmology. With his staff he supplied the industry with test reports and ensured the international trade of gemstones and high-class jewellery though the reports. 2010 Prof. Hänni retired from SSEF Swiss Gemmological Institute. His academic relationship with Basel University resulted from studies that lead to a doctor's degree in earth sciences, and later he obtained a university teaching position.
He has been teaching gemmology over 20 years as a professor of gemmology, first in Basel, later in Lausanne before emeritation. Prof. Hänni got also a distinction from the ICA international Color Stone Association in 2007 for his contributions to the international gemstone industry.