VÄISÄNEN, ARMAS OTTO (, Savonranta–, Helsinki), Finnish folk music researcher.
Väisänen studied violin at the Helsinki Philharmonic school and played viola in the Helsinki City Orchestra (the Philharmonic) from 1912 to 1914. From 1912 on he made many trips to collect folk music in Finland and among the Finnish-speaking people in the Karelian areas of Viena (Russian Karelia) and Aunus (Olonetz), Vepsä (Veps), Inkeri (Ingria), Mordva, and also Estonia. He also travelled later...