Emil Vogelsang founded the button industry in Berlin, leading to Berlin becoming known as “Buttonville”.
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How Canada's IMAX went from a high-school lab to 1,000 theatres worldwide
Science teacher Gordon Clark gave three of his students the run of the high-school lab after hours in the 1940s, he would have had no idea that they would come up with one of the biggest innovations.
IMAX
Developed by Galt Collegiate Institute alumni, IMAX made its debut in 1970 in Osaka, Japan at Expo ‘70.