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Thomas Alexander Crerar
Thomas Alexander Crerar 1876-1975, Canadian political leader. Under his able direction the United Grain Growers, Ltd., of which he was president (1907-29), became one of the most successful farmers' cooperative movements in W Canada. A Liberal, Crerar served (1917-19) as minister of agriculture in ...
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Sir Godfrey Newbold Hounsfield
Sir Godfrey Newbold Hounsfield 1919-2004, British electrical engineer. A radar expert for the Royal Air Force during World War II, in the 1950s Hounsfield began developing computer and X-ray technology for EMI, Ltd., an international electronics and entertainment corporation. He built the prototype...
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diamond
diamond mineral, one of two crystalline forms of the element carbon (see allotropy ), the hardest natural substance known, used as a gem and in industry.
Properties
Diamonds crystallize in the isometric system (see crystal ) commonly as transparent to translucent white, colorless, yel...
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diamond
diamond mineral, one of two crystalline forms of the element carbon (see allotropy ), the hardest natural substance known, used as a gem and in industry.
Properties
Diamonds crystallize in the isometric system (see crystal ) commonly as transparent to translucent white, colorless, yel...
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Australia
Australia , smallest continent, between the Indian and Pacific oceans. With the island state of Tasmania to the south, the continent makes up the Commonwealth of Australia, a federal parliamentary state (2005 est. pop. 20,090,000), 2,967,877 sq mi (7,686,810 sq km). Australia's capital is Canberr...
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Warren Edward Buffett
Warren Edward Buffett , 1930-, American financial executive, b. Omaha, Nebr., studied at Wharton School of Finance (1947-49), grad. Univ. of Nebraska (B.S., 1950), Columbia Univ. (M.S., 1951). After working as an investment salesman and securities analyst, he was partner (1956-69) in the investment ...
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Man Booker Prize
Man Booker Prize an annual prize of £50,000 (originally £20,000 ) for a work of fiction by a living British, Irish, or Commonwealth writer. Great Britain's premier literary award, it was originally known as the Booker Prize and in 1969 was underwritten by the British food-distrib...
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Geothermal Energy
Geothermal Energy
The word "geothermal" is derived from the Greek words geo (earth) and therme (heat), and "energy" is defined as usable power, such as heat or electricity. The temperature at the Earth's core (6,437 kilometers or 4,000 miles deep) may exceed 4,980°C (9,000°F). Energy from...
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Rizal
Rizal province, central Luzon, the Philippines. The capital is Pasig. The province, which horseshoes around Manila and includes Quezon City and Pasay, has had a huge population increase since the 1970s.
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gypsum
gypsum , mineral composed of calcium sulfate (calcium, sulfur, and oxygen) with two molecules of water, CaSO 4 ·2H 2 O. It is the most common sulfate mineral, occurring in many places in a variety of forms. A transparent crystalline variety is selenite. A massive gypsum of delicate color and ...
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