Carl Oscar Malm, also known as C. O. Malm and Carl Oskar Malm was Finland's first teacher of the deaf, founder of the first school for the deaf in the country, and the father of Finnish Sign Language.

Anna Charlotta Heikel was a Finland-Swedish teacher and director of the School for the Deaf in Jakobstad, Finland, from 1878 to 1898. She was a temperance activist as well as a pioneer of the Baptist