Science & Technology | The Canadian Encyclopedia

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  • Article

    Thomas Drummond

    Thomas Drummond, botanist, (b in Scot c 1780; d at Havana, Cuba early Mar 1835).

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  • Article

    Thomas Leopold Willson

    Thomas Leopold Willson, "Carbide," inventor (b 1860; d at New York C 20 Dec 1915). Propelled by curiosity, Willson was a chronic inventor gifted in both recognizing the potential of his discoveries and funding their development. He obtained over 70 patents in Canada.

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  • Article

    Thomas-Louis Tremblay

    ​Thomas-Louis Tremblay, soldier, commander and civil engineer (born 16 May 1886 in Chicoutimi, Québec; died 28 March 1951 in Québec City, Québec). 

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  • Article

    Thomas Neill Cream

    Thomas Neill Cream, doctor, murderer (b at Glasgow, Scot 1850; d at London, Eng 15 Nov 1892). Educated in medicine at McGill, Cream was responsible for a string of murders in Canada, the US and Britain. He was also a thief, arsonist, blackmailer and illegal abortionist.

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  • Article

    Thomas Sterry Hunt

    Thomas Sterry Hunt, chemist, geologist (b at Norwich, Conn 5 Sept 1826; d at New York C 12 Feb 1892). After studying at Yale under Benjamin Silliman Jr, Hunt joined the GEOLOGICAL SURVEY OF CANADA in 1846 as a chemist and mineralogist.

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  • Article

    Thomas Sydney Leeson

    Thomas Sydney Leeson, anatomist, electron microscopist (born 26 January 1926 in Halifax, England; died 26 July 2006 in Edmonton, AB). 

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  • Article

    Thorbergur Thorvaldson

    Thorbergur Thorvaldson, "TT," cement chemist (b in Iceland 24 Aug 1883; d at Saskatoon 4 Oct 1965). Settling with his parents near Gimli, Man, he went on to attend U Man and Harvard (MSc, PhD). In 1919 he became head of the dept of chemistry at U Sask, and in 1945 the first dean of graduate studies.

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  • Article

    Tillson Lever Harrison

    Tillson Lever Harrison, physician, surgeon, army officer, adventurer (b at Tillsonburg, Ont 7 January 1881; d near Kaifeng, China, 10 January 1947). Also known as a writer, raconteur and humanitarian, Tillson Harrison has been touted as Canada's second Norman BETHUNE and the model for Indiana Jones.

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  • Article

    Timothy Richard Parsons

    Timothy Richard Parsons, biological oceanographer (b in Sri Lanka [Ceylon] 1 Nov 1932). He received his doctorate in biochemistry at McGill and worked as a research scientist in Nanaimo, BC, for 11 years, Secretariat of UNESCO, Paris, for 2 years, and professor of oceanography, UBC, 1971 to present.

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  • Article

    Trivedi Vidhya Nandan Persaud

    Trivedi Vidhya Nandan Persaud, anatomist (b at Pt Mourant, Guyana 19 Feb 1940). Educated at Rostock, E Ger (MD 1965, DSc 1974), and U of W Indies, Kingston, Jamaica (PhD 1970), Persaud has received international acclaim for his research in embryology, teratology and pathology.

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  • Article

    Uuno Vilho Helava

    Uuno (a.k.a. Uki) Vilho Helava, inventor (born 1 March 1923 in Kokemäki, Finland; died 6 June 1994 in Ottawa, ON). He invented the analytical plotter for automatically drawing maps from photographs.

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  • Article

    Ursula Franklin

    Ursula Martius Franklin, CC, OOnt, FRSC, physicist, educator, feminist and social activist (born 16 September 1921 in Munich, Germany; died 22 July 2016 in Toronto, Ontario). A specialist in the structure of metals and alloys, she pioneered the development of archaeometry, which applies modern techniques of materials analysis to archaeology. After working as a senior research scientist for the Ontario Research Foundation (1952–67), she joined the University of Toronto’s Department of Metallurgy and Materials Science (now the Department of Materials Science and Engineering) in 1967. She won many awards for her innovative scientific and humanitarian work, including the Pearson Peace Medal (2002).

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  • Article

    Veena Rawat

    Veena Rawat, OC, electrical engineer, civil servant, telecommunications pioneer (born in 1945 in India). Veena Rawat spent nearly 40 years in public service, serving in leadership positions in management and policy development with Industry Canada. A trailblazer in the telecommunications sector, Rawat was the first female to complete a doctorate in electrical engineering at Queen’s University and was the first female president of Industry Canada’s Communication Research Centre. Rawat has been a leading voice in the creation of global regulatory structures for radio spectrum management, championing efforts to make broadband service affordable to all and bring it to remote and rural regions. She is an advocate for gender equality in STEM sectors and increasing women’s presence in engineering fields.

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  • Article

    Victor John Harding

    Victor John Harding, professor of pathological chemistry (b in Eng 23 Oct 1885; d at Toronto 3 July 1934). Graduating in chemistry from Owen's College, Manchester (DSc, 1912), Harding began an association with McGill in 1910. He became associate professor of physiological chemistry in 1917.

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  • Article

    Victoria Kaspi

    Victoria Michelle (Vicky) Kaspi, CC, FRSC, FRS, astrophysicist (born 30 June 1967 in Austin, Texas). Kaspi is best known for her studies of collapsed stars such as neutron stars and pulsars. In 2016, she became the first woman to win the Gerhard Herzberg Canada Gold Medal, the country’s top science prize awarded by the Natural Sciences and Engineering Research Council. 

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