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  • Drawing of Toronto General Hospital. It is from a high point of view, so that the whole building is visible. The building is three storeys high. It features a large entryway. The center section of the building has a Greek/Roman style pavilion on top. The areas surround the building is landscaped.
  • An aerial view of a city. In the centre, various tall buildings can be seen, interspersed with parks and open green spaces.
  • A brick building. The building runs for approximately half a block and is 4 stories high. There is a small rounded tower in the front center of the building. On the side is a blue circle with the word

Toronto General Hospital (opened 1913), College St., s. side, betw. Elizabeth St. & University Ave. Courtesy of the Toronto Public Library.

Aerial view of Toronto General Hospital, College Street and University Avenue, 1937. Courtesy of the Toronto Public Library.

The MaRS Discovery District, Toronto, May 23, 2006. Image by Christie Spicoluk.

  • MaRS Discovery District

    Scientific Discoveries

    Numerous medical and other scientific discoveries have been made in Toronto’s Discovery District. The MaRS campus sits on the 1913 site of Toronto General Hospital, at which numerous clinical and research developments were made, including the discovery of insulin, heparin, and other lifesaving extracts.

    Technologies such as the first artificial kidney machine in North America and the first external pacemaker in the world were also developed here.


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  • MaRS Discovery District

    Expansion and Innovation

    In recent years, the MaRS Discovery District has expanded beyond the initial footprint of Toronto General Hospital to several new buildings. The original hospital building, now known as the Heritage Building, is one of several in the complex, including an Atrium, South Tower, Medical Discovery Tower, and a West Tower.

    In total, the MaRS Discovery District includes 1.5 million square feet, making it one of the world’s largest innovation hubs.


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