Browse "Science & Technology"

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Article

Karl Adolf Clark

Karl Adolf Clark developed a successful process for extracting oil from tar sands (artwork by Irma Coucill). Clark, Karl Adolf Karl Adolf Clark, chemist (b at Georgetown, Ont 20 Oct 1888; d at Saanichton, BC 8 Dec 1966). A pioneer of the hot-water recovery process for extracting oil from tar sands, Clark developed an interest in tar during his first job after leaving university as chief of the federal Mines Branch's Road Materials Division (1916-20)....
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Karlsefni

Thorfinn Karlsefni (Old Norse Þórfinnr Karlsefni), explorer and trader (born c. 980–95 CE in Iceland; year of death unknown). Born Thorfinn Thordarson, this Icelandic aristocrat and wealthy merchant ship owner led one of the Norse expeditions to Vinland, located in what is now Atlantic Canada. He is usually referred to by his nickname, Karlsefni, meaning “the makings of a man.” Karlsefni appears in several historical sources. A long passage in The Saga of the Greenlanders is devoted to him, and he is the chief subject of The Saga of Erik the Red. There are also short accounts in the Old Norse manuscripts known as the Arni Magnusson codex 770b and Vellum codex No. 192.
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Kenneth Allan Caldwell Elliott

Kenneth Allan Caldwell Elliott, FRSC, biochemist and neurochemist (born 24 August 1903 in Kimberley, South Africa; died 28 April 1986 in Montreal, QC). A pioneer in the study of brain chemistry, Elliott was the first researcher to be given the official title of neurochemist at the Montreal Neurological Institute (1944).
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Kenneth George McKenzie

Kenneth George McKenzie, neurosurgeon (b at Toronto 13 June 1892; d there 11 Feb 1964). After graduating with an MB from the University of Toronto in 1914, he saw medical service overseas during WWI.
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Kenneth Henry Mann

Kenneth Henry Mann, FRSC, freshwater and marine biologist (born 15 August 1923 in Dovercourt, England; died 24 January 2010 in Halifax, NS). Kenneth Mann was an aquatic biologist whose wide experience ranged from the taxonomy and biology of freshwater leeches to the production of inshore marine ecosystems (see Water). He is best known for his work in the analysis of the production of aquatic systems, and was influential in the International Biological Programme, in which production of many ecosystems was compared.
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Kenneth William Neatby

Kenneth William Neatby, agricultural scientist (b at Sutton, Eng 30 Mar 1900; d at Ottawa 27 Oct 1958), brother of Hilda NEATBY.
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Edward Martin Kindle

Edward Martin Kindle, palaeontologist, sedimentologist (b at Franklin, Ind 10 Mar 1869; d at Ottawa 29 Aug 1940).
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Kivas Tully

Kivas Tully, architect, civil engineer, politician (b at Garrarucum, Queen's County, Ire 1820; d at Toronto 24 Apr 1905).
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Lap-Chee Tsui

Lap-Chee Tsui, geneticist (b at Shanghai, China 21 Dec 1950). A graduate of the Chinese U of Hong Kong (Bsc 1972) and U of Pittsburgh (PhD 1979), Tsui joined the Research Institute at the Hospital for Sick Children at Toronto as a post-doctoral fellow in genetics during 1981-83.
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Larkin Kerwin

John Larkin Kerwin, CC, OQ, FRSC, physicist, research director (born 22 June 1924 in Quebec City, QC; died 1 May 2004 in Quebec City, QC). Larkin Kerwin is recognized for his leadership and his research in atomic and molecular physics (see Physics). During his career he was president of the National Research Council (NRC) and Canadian Space Agency.
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Larry Beasley

Starting as a Vancouver neighbourhood planner in the 1970s, Beasley became co-director of city planning in the early 1990s. He helped foster partnerships between government, the private sector and community groups, making Vancouver the fastest-growing residential downtown in North America.
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Laurent Duvernay-Tardif

Laurent “Dr. Kill” Duvernay-Tardif, CQ, football player, doctor (born 11 February 1991 in Saint-Jean-Baptiste, QC). Laurent Duvernay-Tardif is an offensive lineman with the New York Jets of the National Football League (NFL). He was the 10th player ever drafted into the NFL from Canadian college and university football, and is the first Quebec-born football player to win a Super Bowl championship. Duvernay-Tardif is also the first active NFL player to become a doctor. He opted out of the 2020 season to work at a Montreal long-term care facility during the COVID-19 pandemic. He was made a Chevalier of the Ordre national du Québec in 2019. In 2020, he was named a Sportsperson of the Year by Sports Illustrated, as well as co-winner (with soccer player Alphonso Davies) of the Lou Marsh Trophy as Canada’s athlete of the year.
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Lawrence Eldred Kirk

Lawrence Eldred Kirk, agriculturist (b at Bracebridge, Ont 27 May 1886; d at Saskatoon 27 Nov 1969). Kirk's most significant contribution was the breeding and introduction in 1932 of Fairway, the first variety of crested wheat grass, to the great plains of Canada.
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Leif Eriksson

Leif Eriksson (Old Norse Leifr Eiríksson, a.k.a. Leifr hinn heppni, Leif the Lucky), explorer, chieftain (born in the 970s CE in Iceland; died between 1018 and 1025 in Greenland). Leif Eriksson was the first European to explore the east coast of North America, including areas that are now part of Arctic and Atlantic Canada. Upon the death of his father, Erik the Red, Leif became paramount chieftain of the Norse colony in Greenland. The two main sources on him are The Saga of the Greenlanders and The Saga of Erik the Red. There are also references to him in The Saga of Olaf Tryggvason and The Saga of St. Olaf.
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Leo Yaffe

Leo Yaffe, OC, FRSC, educator, nuclear scientist, university administrator (born 6 July 1916 in Devil's Lake, North Dakota; died 26 May 1997 in Montreal, QC). Yaffe was an authority in nuclear chemistry and throughout his career he advocated for the peaceful use of atomic energy (see Nuclear Energy). He has been the recipient of many honours and awards.
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