Turtiainen was born in 1904 to mother Ida Lovisa Väätäinen and father Ernst Turtiainen, a tailor. His father, as a young man, sang in a choir, participated in drama clubs and wrote poems. From his father Arvo inherited an artistic tendency along with a left-wing worldview. Turtiainen attended five years at
Ressu Upper Secondary School and graduated as a dental technician. From 1932−1933 he studied at the
University of Tampere and worked as a journalist afterwards, until he became a freelance writer in 1934. He also worked for the socialist magazine
40-luku (''The 40's'') from 1945 to 1947. ==Literary career==