Vilho Väisälä (1889–1969), Finnish meteorologist and physicist, founder of Vaisala
During the World Congress of Esperanto of 1969, which was held in Helsinki shortly before his death, he served as the rector of the so-called Internacia Kongresa Universitato ("International Congressual University"), and coordinated the specialistic lectures in Esperanto given by various academicians to the congressists.
Yrjö Väisälä | Väisälä | Vilho Väisälä | Schmidt-Väisälä camera | Brunt–Väisälä frequency |