Browse "Science & Technology"

Displaying 121-135 of 618 results
  • Article

    Dave Williams

    Dafydd (Dave) Rhys Williams, OC, OOnt, astronaut, aquanaut, scientist, pilot, physician, author (born 16 May 1954 in Saskatoon, SK). Dr. Dave Williams was a mission specialist on two NASA space shuttle missions and an aquanaut participating in undersea research. As a medical doctor and an astronaut, he contributed to vital life-science experiments focused on the effects of microgravity on the human brain and nervous system. (See also Canadian Space Agency.) He has served as a senior administrative officer at numerous medical institutions.

    "https://d3d0lqu00lnqvz.cloudfront.net/davewilliams/davewiliams.jpg" // resources/views/front/categories/view.blade.php
    
    https://d3d0lqu00lnqvz.cloudfront.net/davewilliams/davewiliams.jpg Dave Williams
  • Macleans

    Dave Williams (Profile)

    This article was originally published in Maclean’s magazine on April 13, 1998. Partner content is not updated.

    "https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9" // resources/views/front/categories/view.blade.php
    
    https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 Dave Williams (Profile)
  • Article

    David Arnold Keys

    David Arnold Keys, physicist (b at Toronto 4 Nov 1890; d at Ottawa 28 Oct 1977). He was a much-loved professor at McGill 1922-47 and thereafter the "mayor of Chalk River" - administrative manager of the Canadian atomic project. After research on antisubmarine warfare with J.C.

    "https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9" // resources/views/front/categories/view.blade.php
    
    https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 David Arnold Keys
  • Article

    David Boyle

    David Boyle, blacksmith, teacher, archaeologist, museologist, historian (b at Greenock, Scot 1 May 1842; d at Toronto, Ont 14 Feb 1911). Although apprenticed as a blacksmith on arriving in Canada in 1856, Boyle became internationally prominent as Canada's premier archaeologist before WWI.

    "https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9" // resources/views/front/categories/view.blade.php
    
    https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 David Boyle
  • Article

    David Douglas

    David Douglas, botanist (b at Scone near Perth, Scotland 25 July 1799; d in Hawaii 12 July 1834). Douglas became an apprentice gardener at age 11; at 20 he moved to the Botanic Gardens, Glasgow, and at 23 became a collector for the Horticultural Society of London in North America.

    "https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9" // resources/views/front/categories/view.blade.php
    
    https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 David Douglas
  • Article

    David Ernest Hornell

    David Ernest Hornell, VC, clerk, pilot (born 26 January 1910 in Toronto, Ontario; died 25 June 1944 at sea near the Faroe Islands in the North Atlantic Ocean). During the Second World War, Hornell was awarded a posthumous Victoria Cross (VC) for his heroic actions in sinking a German submarine and encouraging his crewmates after their plane was shot down. He was the first member of the Royal Canadian Air Force (RCAF) to receive the VC.

    "https://d3d0lqu00lnqvz.cloudfront.net/DavidHornell/Hornell portrait.jpg" // resources/views/front/categories/view.blade.php
    
    https://d3d0lqu00lnqvz.cloudfront.net/DavidHornell/Hornell portrait.jpg David Ernest Hornell
  • Article

    David H. Hubel

    David Hunter Hubel, FRS, Nobel Laureate, neurobiologist (born 27 February 1926 in Windsor, ON; died 22 September 2013 in Lincoln, Massachusetts). Dr. David Hubel advanced our understanding of how our eyes transmit and reconstitute the images we see moment by moment to our brains. He was a research scientist who used innovative craftsmanship to design and create the instruments and procedures he used to conduct studies on the visual cortex of the brain. His meticulous observations revolutionized cognitive neuroscience and his pioneering approach to the recording of individual neuronal cells propelled the field forward. Click here for definitions of key terms used in this article.

    "https://d3d0lqu00lnqvz.cloudfront.net/davidhubel/davidhubel.jpg" // resources/views/front/categories/view.blade.php
    
    https://d3d0lqu00lnqvz.cloudfront.net/davidhubel/davidhubel.jpg David H. Hubel
  • Article

    David Howard Harrison

    David Howard Harrison, physician, politician, farmer, businessman, premier of Manitoba (b at London, Canada W 1 June 1843; d at Vancouver 8 Sept 1905).

    "https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9" // resources/views/front/categories/view.blade.php
    
    https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 David Howard Harrison
  • Article

    David Laurence Thomson Smith

    David Laurence Thomson Smith, veterinarian, teacher (b at Regina 18 Apr 1914; d at Saskatoon 15 Nov 1983). After serving in the Royal Canadian Army Medical Corps in WWII, he joined the faculty of the Ontario Veterinary College in 1946, and was head of pathology and bacteriology there 1955-63.

    "https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9" // resources/views/front/categories/view.blade.php
    
    https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 David Laurence Thomson Smith
  • 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.

    "https://d3d0lqu00lnqvz.cloudfront.net/davidsaintjacques/David_Saint_Jacques_Socialsize.jpg" // resources/views/front/categories/view.blade.php
    
    https://d3d0lqu00lnqvz.cloudfront.net/davidsaintjacques/David_Saint_Jacques_Socialsize.jpg David Saint-Jacques
  • 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.

    "https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9" // resources/views/front/categories/view.blade.php
    
    https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 David Suzuki (Interview)
  • 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.

    "https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9" // resources/views/front/categories/view.blade.php
    
    https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 David Suzuki (Profile)
  • 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.

    "https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9" // resources/views/front/categories/view.blade.php
    
    https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 David Schindler
  • Article

    Davidson Black

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

    "https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9" // resources/views/front/categories/view.blade.php
    
    https://thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 Davidson Black
  • 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.

    "https://d3d0lqu00lnqvz.cloudfront.net/TCE_placeholder.png" // resources/views/front/categories/view.blade.php
    
    https://d3d0lqu00lnqvz.cloudfront.net/TCE_placeholder.png Deborah McGregor