List of IMA medalists 2023Tetsuo IRIFUNE 2019Eiji OHTANI 2013Nikolay V. SOBOLEV 2022Patricia DOVE 2018Gordon E. BROWN 2011David H. GREEN 2021Robert M. HAZEN 2017Emil MAKOVICKY 2009Frank C. HAWTHORNE 2020Georges CALAS 2015Rod C. EWING 2008Charles PREWITT