 Several noted linguists and philologists, including Lucian Müller, Franz Anton Schiefner, Daniel Chwolson, and , taught at the academy.By the time he graduated from the academy, he knew eight languages (Lithuanian, Russian, Polish, Latin, Ancient Greek, Sanskrit, German, French).In 1879, the Saint Petersburg Academy of Sciences asked Jaunius to review a collection of Lithuanian folk songs compiled by Antanas Juška.