Architecture of Winnipeg See Also 1911James H. CadhamJohn H. G. RussellManitobaWinnipegWinnipeg Exchange District Random Building 1884 – Telegram Building, Winnipeg, Manitoba 1911 – Whitla Building, Winnipeg, Manitoba Home / Buildings / Architecture of Canada / Architecture of Manitoba / Architecture of Winnipeg / 1911 – Whitla Building, Winnipeg, Manitoba Architect: James H. Cadham / John H.G. Russell 70 Arthur was completed in 1899, by Cadham who also made a major addition in 1906. John H. G. Russell made another major addition in 1911, extending the original building two more bays along McDermot in 1911. Share this:TwitterFacebookMastodonRedditPrint Related! Related!