Bruce Forbes Bohor, the 2011 Barringer Medalist of the Meteoritical Society (Glass, 2011), passed away at his home in Green Valley, Arizona, on November 17, 2019. Bruce is best known in our community for his discovery of shocked quartz in layers marking the Cretaceous-Tertiary (K-T, now called the Cretaceous-Paleogene, K-Pg) boundary in the central United States in the early 1980s, following the famous paper by Alvarez and co-authors in Science in 1980, in which they report geochemical evidence for an asteroid impact from K-Pg layers in Italy. More…