Heikki Siren
Heikki Siren was a Finnish architect. He graduated from the Helsinki University of Technology in 1946 as a student of his father J. S. Sirén. Heikki Siren designed most of his works together with his spouse Kaija Siren.- Finnish National Theatre Small Stage, Helsinki, 1954
- Otaniemi Chapel, Espoo, 1956
- Kallio Municipal Offices, Helsinki, 1965
- Ympyrätalo, Helsinki, 1968
- Brucknerhaus, Linz, 1973
- Graniittitalo, Helsinki, 1982
- Baghdad Convention Center, Baghdad, 1983
