1961. Elvis was on top of the charts, John F. Kennedy becomes the youngest US President, and Russia launches Sputnik into outer space. Back at home, John Christopoulos starts GEM Windows, to provide high-quality windows and doors to Toronto homeowners and builders. In an industry of fly-by-night businesses, GEM has a well-earned reputation as Toronto’s oldest and most trusted window and door company. We’ve even had the same phone number since 1961.