Science & Technology | The Canadian Encyclopedia

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  • Article

    David Saint-Jacques

    David Saint-Jacques, OC, OQ, astronaut, engineer, astrophysicist, medical doctor (born 6 January 1970, in Québec City, QC). Early in his career, Saint-Jacques contributed to advances in telescope technology in Japan and Hawaii, and medical technology at Lariboisière Hospital in Paris. (See also Astronomy; Medical Research; Technology in Canada.) He also worked as a doctor and co-chief of medicine at the Inuulitsivik Health Centre in Puvirnituq, Nunavik. In 2009, he was chosen by the Canadian Space Agency to become an astronaut. In 2018, he served on the International Space Station for 204 days, longer than any other Canadian astronaut.

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  • Article

    David Suzuki

    David Takayoshi Suzuki, CC, OBC, geneticist, broadcaster, environmental activist (born 24 March 1936 in Vancouver, BC). A Japanese Canadian, David Suzuki was interned with his family during the Second World War. He later became one of Canada’s most popular scientists and media personalities. He is best known as the host (1979–2023) of the longest-running science show on television, CBC’s The Nature of Things, and for his work as an environmental activist. He has received ACTRA’s John Drainie Award for broadcasting excellence and the Canadian Screen Awards’ Lifetime Achievement Award. A Companion of the Order of Canada, he has also received the Order of British Columbia and been inducted into Canada’s Walk of Fame.

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  • Macleans

    David Suzuki (Interview)

    This article was originally published in Maclean’s magazine on October 4, 2004. Partner content is not updated. David Suzuki was there to explain to Canadians the grand ambitions of the early space program and our Anik satellites.

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  • Macleans

    David Suzuki (Profile)

    This article was originally published in Maclean’s magazine on November 5, 2007. Partner content is not updated. On the afternoon of Tuesday, Oct. 9, emergency crews raced to the provincial cabinet offices on the Vancouver waterfront after a receptionist's hands were left tingling from a suspicious powder in a piece of mail.

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  • Article

    David Schindler

    David William Schindler, OC, FRSC, FRS, AOE, scientist, limnologist (born 3 August 1940 in Fargo, North Dakota; died 4 March 2021 in Brisco, BC). Schindler was an outspoken researcher who advanced the understanding, protection and conservation of Canada’s fresh waters.

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  • Article

    Davidson Black

    Davidson Black, anatomist, anthropologist (b at Toronto, Ont 25 July 1884; d at Beijing [Peking], China 15 Mar 1934).

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  • Article

    Deborah McGregor

    Deborah McGregor, Indigenous Knowledge Systems expert, environmentalist, professor (born in Whitefish River First Nation, Birch Island, ON). Deborah McGregor is an Anishinaabe scholar and Indigenous Knowledge Systems (IKS) expert. Her work focuses on how Indigenous Knowledges, experiences and voices can be applied to solve environmental problems. McGregor has held roles in both academic institutions and public organizations to address issues related to climate change.

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  • Article

    Dennis Hubert Chitty

    Dennis Hubert Chitty, zoologist (born 18 September 1912 in Bristol, England; died 3 February 2010 in Vancouver, BC ). Educated at University of Toronto and Oxford, he studied rodent populations as a research officer at the Bureau of Animal Population, Oxford, 1935-61.

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  • Article

    Derek York

    Derek York, geophysics professor, science writer (b at Normanton, Yorkshire, Eng 12 Aug 1936; d at Toronto, 9 Aug 2007). A leader in the field of potassium-argon dating of rock, Derek York was a foreign principal investigator for NASA during the Apollo missions to the moon.

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  • Article

    Dick Bond

    John Richard (Dick) Bond, OC, OOnt, FRS, FRSC, cosmologist (born 15 May 1950 in Toronto, ON). Bond is known for his work in astrophysics and cosmology, especially for his investigations of the early universe. The Natural Sciences and Engineering Research Council of Canada has described him as “a Godfather of Canada’s now vibrant internationally recognized theoretical cosmology community.”

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  • Article

    Dominique Gaspard

    Dominique François Gaspard, physician and community builder (born 22 December 1884 in New Orleans, Louisiana; died 6 February 1938 in Montreal, QC). Gaspard was a respected doctor and a trailblazer in Montreal’s Black district. After serving with distinction at a field hospital during the First World War, he devoted himself to medical practice in Montreal. He also worked to create social and intellectual outlets for Black men in the city. A bilingual Catholic, he was unique in the city’s early-20th-century anglophone Protestant Black community. His story speaks of a complexity of language, ethnicity and migration not often explored in narratives of Quebec’s English-speaking and Black communities.

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  • Article

    Donald Allan Ramsay

    Donald Allan Ramsay, CM, FRSC, FRS, physicist (born 11 July 1922 in London, England; died 25 October 2007 in Ottawa, ON).

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  • Article

    Donald Chant

    Donald Alfred Chant, OC, FRSC, scientist, educator, environmentalist, executive (born 30 September 1928 in Toronto, ON; died 23 December 2007 in Kingston, ON). Chant was one of the foremost experts on the phytoseiid family of predatory mites. A professor of zoology and administrator at the University of Toronto, he was also a prominent environmental leader and advocate.

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  • Article

    Donald Frank Stedman

    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).

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  • Article

    Donald James Le Roy

    Donald James Le Roy, physical chemist, science adviser (b at Detroit, Mich 5 Mar 1913; d at Ottawa 1 Nov 1985). After gaining his PhD at the University of Toronto (1939), he joined E.W.R.

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