William D. Coolidge — Infoplease.com

	Site Map \| FAQ in Daily Almanac for Jul 10, 2009 Search White Pages
Skip Navigation Home Summer Guide Atlas Encyclopedia Dictionary Thesaurus Features Quizzes Timelines Countries Slideshows

Fact Monster Kid's reference,
games, quizzes

Help us improve Infoplease!
Start Survey

Editor's Favorites

Health and Science > Inventions and Discoveries > The National Inventors Hall of Fame

William D. Coolidge

Born: 1873
Birthplace: Hudson, Mass.

Vacuum tube—Coolidge invented ductile tungsten, the filament material still used in incandescent lamps. He also invented the “Coolidge tube”, the model upon which all X-ray tubes for medical applications are patterned. (1975)

Died: 1974

Information Please® Database, © 2007 Pearson Education, Inc. All rights reserved.

Lloyd H. Conover

The National Inventors Hall of Fame

More on William D Coolidge from Infoplease:

October 23 Birthdays: Pelé - October 23 birthdays: Pelé , Adlai Ewing Stevenson, Ryan Reynolds, Sam Raimi, Dwight Yoakam, Johnny Carson, Michael Crichton, Ang Lee, William D. Coolidge , Gertrude Ederle, John Heisman

Premium Partner Content

HighBeam Research

Related content from HighBeam Research on: William D. Coolidge

Obituaries.(William J. Brophy, Thomas D. Clark)(Obituary) (Journal of Southern History)

NBC reaching for laff heights.(National Broadcasting Company Inc.'s television comedy "5-0")(Greg Coolidge writing script for it)(Brief Article) (Daily Variety)

Clinton versus Cleveland and Coolidge on taxes (The Freeman)

Goodbye Keynes, Hello Coolidge : GORE WANTS TO KEEP SHRINKING GOVERNMENT DEBT. HE ARGUES THAT FREED-UP PRIVATE CAPITAL WILL BENEFIT ALL--WHAT USED TO BE CALLED 'TRICKLE DOWN' ECONOMICS. (The Nation)

Critical moment for Wm. Blair. (William Blair and Co. L.L.C.'s low earnings for 1997) (Crain's Chicago Business)

Chicago Observer: Empty mezzanine seats at Blair as show closes for capital group.(Briefs)(William Blair & Co. LLC.) (Crain's Chicago Business)

D.C.'s top dogs (DVM)

Aune, James Arnt, and Enrique D. Rigsby, eds.: Civil Rights Rhetoric and the American Presidency.(Book review) (History: Review of New Books)

OBITUARIES: Thomas D. Clark (The Journal of Southern History)

Two arts and crafts houses: paradigms in Pasadena and Boston.(David Berry Gamble House and Everett D. Chadwick house) (The Magazine Antiques)

Additional search results provided by HighBeam Research, LLC. © Copyright 2005. All rights reserved.

Infoplease Tools