Related Stories
D. McKay Manufacturing
D. McKay's washing machine helped take some of bending and scrubbing out of the job, back in the 1850s.
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.