Dear Colleagues, It is this time of the year again that MSA has the pleasure to announce our Distinguished Lecturers for the upcoming academic year. The selected Lecturers are Gabriela A. Farfan (Smithsonian National Museum of Natural History), Elizabeth Cottrell (Smithsonian National Museum of Natural History), and Anirudh Prabhu (Carnegie Institution for Science). I hope you will take the time and study the attached document, which provides the information you need to request a visit to your institution by one of these lecturers (see also the MSA Website<https://msaweb.org/msa-distinguished-lecturer-program>). We would appreciate if you could please adhere to the deadlines. Thank you and best wishes, Reto ******************************************************** Prof. Dr. sc. nat., Dr. h.c. Reto GIERÉ Department of Earth and Environmental Science & Center of Excellence in Environmental Toxicology University of Pennsylvania 240 S. 33rd Street, Hayden Hall Philadelphia, PA 19104-6316, USA ✆ 215-898-6907 http://www.sas.upenn.edu/earth Chief Editor, European Journal of Mineralogy<https://www.european-journal-of-mineralogy.net/>