RDHA is a Toronto-based studio specializing in architecture for the public realm. Originally founded in 1919, the firm has a wide-ranging body of work, encompassing corporate headquarters, industrial facilities, academic buildings, transportation facilities, recreation centres, libraries, secure buildings and interiors. In the past ten years it has focused on producing intelligent, concept driven architecture of the highest caliber. Consequently it also has re-emerged as one of Canada's most acclaimed design firms, winning more than forty major provincial, national and international awards.