Background
Harjunpää was born in Rauma, Finland.
Harjunpää was born in Rauma, Finland.
Harjunpää was ordained to priesthood 18 February 1936 in Turku Cathedral. His background was in the Finnish "Evangelical Revivalist Movement", originating from the activity of neo-Lutheran priest Fredrik Gabriel Hedberg. Soon after that Yngve Brilioth"s book Eucharistic Faith and Practise.
Evangelical and Catholic and Hans Liezmann"s Messe und Herrenmal gave him more direction towards the Ecumenical Movement and Liturgical Movement.
After short curacy in Vehmaa and a job in the student union of his revivalist movement, Harjunpää became pastor of Finnish Seamen"s Mission in London 1938-1945, and the secretary of archbishop Aleksi Lehtonen from 1945 - 1948. In May 1948, Harjunpää immigrated to the United States.
He became a teacher in Pacific Lutheran Theological Seminary in 1953 and was professor of church history of the Graduate Theological Union from 1963 until 1977 until his retirement. He was member in many Lutheran commissions on Hymnology and liturgy.
He was also member of Societas Sanctae Birgittae.