Matti Yrjänä Joensuu(1948-2011)
- Writer
Matti Yrjänä Joensuu was born on 31 October 1948 in Helsinki, Finland. He was a writer, known for Priest of Evil (2010), Harjunpää and the Persecutors (1993) and Helsinki Crimes (2022). He died on 4 December 2011 in Valkeakoski, Finland.