The 29th Legislative Assembly of Ontario was in session from October 21, 1971 until August 11, 1975, just prior to the 1975 general election. The majority party was the Ontario Progressive Conservative Party led by Bill Davis.
Allan Edward Reuter served as speaker for the assembly until October 22, 1974. Russell Daniel Rowe succeeded Reuter as speaker.
References
29th Parliament of Ontario Wikipedia(Text) CC BY-SA