Charles Praxis was a 24th century Human man who worked at Starfleet Academy.
Biography
In 2371, Praxis chaired the Space Sciences department at Starfleet Academy. He managed staff that included Professors Neolin Garr, Shara Ruos, William Trainer, and Trahn Xian. He oversaw a curriculum that included SPS 101 Essential Astronomy, SPS 203 Astrogation, SPS 340 Introduction to Interstellar Phenomena, and SPS 410 Stellar Cartography. (Last Unicorn RPG - SA module: Starfleet Academy Handbook)