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Frank Arthur Forward, engineer, educator, inventor (b at Ottawa 9 Mar 1902; d at Vancouver 6 Aug 1972). Known internationally for his metallurgical-process discoveries, Forward was also a prominent educator and science administrator.

 Abraham Gesner, geologist, author, chemist, inventor (b near Cornwallis, NS 2 May 1797; d at Halifax, NS 29 Apr 1864). Gesner invented kerosene oil and, because of his patents for distilling bituminous material, was a founder of the modern Petroleum Industry.

Hugh Le Caine, physicist, designer of electronic-music instruments, composer (b at Port Arthur [Thunder Bay], Ont 27 May 1914; d at Ottawa 3 July 1977). He was trained as a physicist at Queen's and later at Birmingham University (Eng).

Cluny Macpherson, doctor, inventor, businessman, justice of the peace (b at St John's Mar 1879; d there 16 Nov 1966).

William Peyton Hubbard, politician, inventor, baker, coachman (born 27 January 1842 in Toronto, ON; died 30 April 1935 in Toronto). Hubbard was Toronto’s first Black elected official, serving as alderman (1894–1903, 1913) and controller (1898–1908), and as acting mayor periodically. A democratic reformer, he campaigned to make the city’s powerful Board of Control an elected body. Hubbard was also a leading figure in the push for public ownership of hydroelectric power, contributing to the establishment of the Toronto Hydro-Electric System.

Frank Morse Robb, inventor, designer, business executive (born 28 January 1902 in Belleville, ON; died 5 August 1992 in Belleville). Frank Morse Robb was one of the first inventors in the world to succeed in developing an electronic organ, the Robb Wave Organ, in 1927.

Frederick Walker Baldwin, "Casey," aviator, inventor (b at Toronto 2 Jan 1882; d at Beinn Bhreagh, NS 7 Aug 1948). He completed engineering studies at University of Toronto in 1906. In 1907 he became a founding member

August(e) Liessens. Organist, composer, bandmaster, choir conductor, teacher, inventor, b Ninove, near Brussels, 17 Aug 1894, naturalized Canadian 1953, d Sorel, Que, 8 Jul 1954. Liessens was blind from infancy. In 1901 he entered the Institut royal pour les aveugles at Woluwe-St-Lambert, Belgium.

Francis Arthur Sutton, "One-Arm," engineer, inventor, adventurer (b at Hylands, Eng 14 Feb 1884; d at Hong Kong 22 Oct 1944). As a young engineer Sutton built railways in Argentina and in Mexico prior to WWI.

                         Innovation is the successful application in a real economic or social context of something new that may or may not be an invention.

Donald Frank Stedman, scientist (b at Tunbridge Wells, Eng 4 Apr 1900; d at Ottawa 2 May 1967). Primarily a chemist, he was one of the earliest staffers of the NATIONAL RESEARCH COUNCIL (1930).

Although Alexander Graham Bell is most famously credited as the inventor of the telephone, he also coached what was arguably the world’s most advanced aviation team of the early 20th century.

Donna Theo Strickland, CC, physicist (born 27 May 1959 in Guelph, ON). Donna Strickland is a pioneering physicist, known for her work on ultrafast lasers. She is currently a professor of physics at the University of Waterloo. She has authored more than 90 publications and has made seminal contributions to the field of laser technology. In 2018, Strickland was jointly awarded the Nobel Prize in Physics for her work on the development of laser technology.

Eric William Leaver, inventor, electronics engineer (born 11 August 1915 in Langham, England; died 12 February 2004 in London, Ontario).

Charles Fenerty, inventor (b at Upper Sackville, NS Jan 1821; d at Lower Sackville 10 June 1892). Concerned about the difficulty a local paper mill was having in obtaining an adequate supply of rags to make quality paper, Fenerty

His alternating-current radio tube, perfected in 1925, revolutionized the home radio-receiver industry throughout the world.

Le Caine, Hugh. Physicist, composer, b Port Arthur (Thunder Bay), Ont, 27 May 1914, d Ottawa 3 Jul 1977; M SC (Queen's) 1939, PH D (Birmingham) 1952, honorary D MUS (McGill) 1971, honorary LLD (Toronto) 1973, honorary D MUS (Queen's) 1974.

Roland Galarneau, CM, machinist and inventor (born 16 February 1922 in Hull, Quebec; died 22 May 2011 in Hull). In the late 1960s, Galarneau invented the Converto-Braille, a computerized printer capable of transcribing text into Braille at 100 words per minute. This was a landmark innovation for people with visual impairments, as it increased their access to textbooks and other written information. Galarneau developed faster versions of the Converto-Braille in the 1970s. The company he founded eventually adapted the machine into software for IBM computers in the 1980s. This software was a precursor of the Braille software used today.

Susan Olivia Davis Poole, inventor (born 18 April 1889 in Devils Lake, North Dakota; died 10 October 1975 in Ganges, BC). Olivia Poole was raised on the Ojibwe White Earth Reservation in Minnesota. There, she was inspired by the traditional practice of using a bouncing cradleboard to soothe babies. In 1957, she patented her invention of the baby jumper, under the name Jolly Jumper, making her one of the first Indigenous women in Canada to patent and profit from an invention.

George Johnn Klein, design engineer (b at Hamilton, Ont 15 Aug 1904; d at Ottawa 4 Nov 1992). Possibly the most productive inventor in Canada in the 20th century, he spanned in his career the "stick and string" era of aviation to the Space Shuttle. Klein worked 1929-69 at the National Research Council and as a consultant after retirement. He designed the NRC's first wind tunnels and undertook research on fitting skis to aircraft, which led in turn to designing the Weasel army snowmobile (mass-produced in the US as the M-29) and ultimately to studying the mechanics of snow, on which he became an authority. Gearing systems were a lifelong specialty.