When a retired couple bought an L-shaped mid-century ranch house in Glencoe in the 1990s, they promptly commissioned the architecture firm Booth Hansen to update it. “We didn’t make many changes to the footprint of the house, but we took the roof off and modulated the interior spaces volumetrically,” says Bill Massey, who later left Booth Hansen to form Massey Hoffman Architects. “By popping the roof up, we were able to create a huge expanse of glass facing out into the ravine.”

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