Example from
The Great Canadian Book of Lists 

13 Significant Canadian Inventions

1. Pablum: In 1930 at Toronto's Hospital for Sick Children, Dr. Alan Brown, with the assistance of research doctors Theodore Drake and Fred Tisdall, invented the nutritious baby cereal that would become the first semi-solid food tasted by millions of infants.

2. Radio broadcasting: In 1906, Reginald Aubrey Fessenden of Quebec made the first public broadcast of music and voice. Earlier, he had orchestrated the first two-way voice transmission by radio.

3. Snowmobile: Armand Bombardier, of Valcourt, Quebec, developed this unique snow machine in 1926. His vehicles were used wherever heavy loads were carried over difficult terrain. In the 1950s, he pioneered the development of small, light snow vehicles for winter sports.

4. Marquis Wheat: In 1904, Charles Saunders, a native of London, Ontario, developed this superior strain of wheat at the Central Experimental Farm in Ottawa. It matured earlier than other varieties, produced larger crops and resisted the cold and strong winds and is given credit for bring prosperity to Canada's prairies.

5. The Anti Gravity Suit: In 1941, Dr. Wilbur Franks, of Weston, Ontario, invented the G-Suit, which allowed fighter pilots to carry out high-speed maneuvres without blacking out. Used by Allied pilots from 1942 onwards, it led to the development of modern day astronauts' suits.

6. Trivial Pursuit: Invented in Montreal in 1979 by journalists Chris Haney and Scott Abbott (with help from Haney's brother John and buddy Ed Werner), this game which tests players' knowledge of movies, sports, history and other trivial information, generated $1 billion in sales in 1984 and by the mid-nineties had sold more than 60 million copies, making it by far the most popular board game in the world.

7. Variable-Pitch Propeller: Devised by Wallace Rupert Turnbull, of St. John, New Brunswick, in the 1920s, this propeller made it possible for aircraft to get off the ground and carry larger payloads economically to distant destinations.

8. Paint Roller: Norman Breakley revolutionized the paint and decorating industry in 1940 with the invention of the paint roller, which helped introduce the era of do-it-yourself home decorating.

9. Farm Combine: In 1938, Thomas Carroll built the first experimental model of the self-propelled combine in a Massey-Harris factory in Toronto. It revolutionized wheat farming in Canada by saving time, money and backbreaking work.

10. Slicklicker: This device, which consisted of an inflatable plastic boom, conveyor belts, a skirt and a small motor, could lift up to 43,000 gallons of spilled oil per 24-hour period off water fouled by spills. It was invented by Richard Sewell, a chemist with the Department of National Defence in Ottawa.

11. Zipper: First developed by an American, the zipper was improved upon and patented in Canada in the early 1900s by Swedish-born inventor Gideon Sundback, who in 1925 was president of the Lightning Fastener Company of St. Catharines, Ontario.

12. Heart Pacemaker: Invented in 1950 in a National Research Council laboratory in Ottawa by Winnipeg native John Hopps to keep the weak of heart alive and kicking.

13. Cobalt Bombs: In 1951, Atomic Energy of Canada Ltd. pioneered the field of cancer treatment with its Eldorado Beam Therapy Unit to replace radium therapy. The first unit was used in the London Clinic of the Ontario Cancer Foundation.