The Firestone Collection of Canadian Art is a significant art collection that spans the modern period (1900-1980). Originally established by Ottawa residents O.J. and Isobel Firestone in the early 1950s, the collection contains approximately 1,600 works by a number of influential Canadian artists, including A.Y. Jackson, Emily Carr, Jack Shadbolt, Paul-Émile Borduas, Rita Letendre, and Ghitta Caiserman.