Bruce HapkeBruce Hapke is Professor Emeritus of Geology and Planetary Science at the University of Pittsburgh, where he continues to study various bodies of the solar system. He was principal investigator for the analysis of lunar samples and was associated wit several other NASA missions, to Mercury, Mars, Saturn and the outer solar system. He is a Fellow of the American Geophysical Union and was awarded the Kuiper Prize by the Division for Planetary Sciences of the American Astronomical Society for 'outstanding contributions to planetary science'. He has an asteroid 3549 Hapke and a mineral Hapkeite named in his honour. Read More Read Less