Thompson, David

Thompson, David,

1770–1857, Canadian geographer, fur trader, and explorer, b. London, England. In 1784 he came to Fort Churchill, Canada, as an apprentice of the Hudson's Bay Company, and until 1797 he was a fur trader of Hudson Bay and in the Athabasca country to the west. Although he had little scientific training, he developed great skill in geodetic and astronomical observations, and after 1797, when he joined the North West Company, he methodically located points in W Canada and made surveys of astonishing exactitude. In 1797–98 he traveled far S to the Mandan villages on the Missouri and then surveyed the headwaters of the Mississippi River. His most notable exploring expeditions were those across the Rocky Mts. and on the Columbia River. In 1807 he crossed the Howse Pass to the source of the Columbia River and traveled its length; he then explored the Kootenai, Pend Oreille, and Clark Fork river basins. In 1810, prevented by the Piegan from using Howse Pass, he went north to the head of the Athabasca River and across the mountains and explored all of the Columbia River system. He then went to Montreal, where he made (1812–14) a large and invaluable map of W Canada for the North West Company, long the best map of the region. Thompson, however, received little open recognition except an appointment (1816–26) to the commission for surveying the U.S.-Canadian boundary. It was not until the 20th cent. that his importance as a geographer was recognized.


See his narrative (ed. by J. B. Tyrrell, 1916, repr. 1968); biography by J. K. Smith (1971).

References in periodicals archive ?
With the Minnesota Timberwolves shopping Love three summers ago, the team had discussions with Golden State about trading the power forward for Klay Thompson, David Lee and a future first-round pick.
Fox, Christopher Lloyd and Lea Thompson, David Duchovny ("The X-Files"), Norman Reedus ("The Walking Dead") and many more at the pop culture extravaganza, the 10th event on Wizard World's calendar of comic con and gaming conventions in 2016.
On the way from the dressing room to backstage at the ADC, group photos of Cambridge students who have acted there over the years line the walls and you can pick out big names like Emma Thompson, David Mitchell and Robert Webb.
Spennymoor manager Carl Beasley welcomes back seven players with goalkeeper David Atkinson, Captain Kai Willis, leading scorer Ross Morrow, Chris Foster, Robert Thompson, David Gibson and Matthew Pennall all in the squad.
Members of the team at Liverpool digital firm, Living Lens, from left, Mandy Thompson, David Woods, Carl Wong, Karl Walker and Florence Kirk
Namely: Alan Lambert, Ray Wilson, Robert Evans, Sheila Thompson, Ronnie Thompson, David Armstrong, Linda Snowball and any others.
Guests in the audience included Emma Thompson, David Walliams and Eddie Izzard.
As usual, the leader in peek-a-boo nudity has some wonderful writers inside, including Hunter Thompson, David Mamet, Bertrand Russell, Truman Capote, Lenny Bruce, Erica Jong and William Burroughs, just for old time's sake.
Goodwin admits the burden of responsibility when the chips were down fell on the senior stars in Lennon's side such as himself, Steven Thompson, David van Zanten and Gary Teale.
Close rivals AFC Wulfrunians have risen to fifth place following a 4-0 win over Wellington where Andy Thompson, David Howells, Danny Crudgington and Jordan Perks all proved on target.
Starring: Nicole Kidman, Hugh Jackman, Brandon Walters, David Wenham, Bryan Brown, David Gulpilil, Jack Thompson, David Ngoombujarra GOOD NIGHT, AND GOOD LUCK (2006), Sat, BBC2, 11.
Forwards: Dan Cole, Alex Corbisiero, Tom Croft, Louis Deacon, Nick Easter, Dylan Hartley, James Haskell, Courtney Lawes, Lee Mears, Lewis Moody (captain), Tom Palmer, Simon Shaw, Andrew Sheridan, Matt Stevens, Steve Thompson, David Wilson, Tom Wood.