Henrik Hargitai (Ph.D., 2007) is a planetary geomorphologist, media historian, and senior lecturer at the Eötvös Loránd University, Budapest, Hungary. He has Ph.D. in Earth Sciences and Philosophy (Aesthetics). He teaches planetary geomorphology (since 2002), planetary cartography, typography, and media history. His study fields include the distribution and morphology of the mountains of Io; lake ice and snow landforms; impact morphology; and the history and localization of the planetary nomenclature. He participated in two Mars Desert Research Station simulations. He is the chair of the ICA Commission on Planetary Cartography and editor of the Central European edition of the series of “multilingual maps of terrestrial planets and their moons” and its 2014 special edition for children. He is the producer of numerous public outreach programs in planetary science for radio.

Ákos Kereszturi (Ph.D.) is a geologist, working on planetary science and astrobiology as researcher at the Research Center for Astronomy and Earth Sciences, where he leads the Astrophysical and Geochemical Laboratory. He is member of the NASA Astrobiology Institute TDE Focus Group, teaches planetary science at Eötvös Loránd University, serves on the editorial board of two international and one national journals, is vice president of the Hungarian Astronomical Association, and contributes in the popularization activity of the Polaris Observatory in Budapest. His main research area is the geology of Mars, Europa satellite, craters of Mercury, water in the Solar System and beyond, Mars analog field work, survival of extremophile organisms, analysis of asteroid surfaces, and geological history based on mineral characteristics of meteorites.