Stanko Grafenauer (13 May 1922 – 7 August 2010) was a Slovenian mining engineer, mineralogist and academic. He made significant contributions to the field of mineralogy and introduced new measurement techniques in his research. Grafenauer was also recognised for his work as a geologist and his involvement in academia. His main fields of research were: ultramafic rocks with chromite deposits, Triassic igneous rocks of Slovenia, and studying mineral deposits in the Balkans thought to be related to Triassic igneous activity.[1] He was also involved in the study of Moon samples.[2]