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1907 births
1998 deaths
American astronomers
Timekeeping
Americans of Polish descent
Summary Of: William Markowitz
Encyclodia Page On: William Markowitz
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February 8
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1907
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Austrian Empire
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October 10
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1998
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Pompano Beach, Florida
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American
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astronomer
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standardization
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time
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Meltsch über Troppau
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Austrian Silesia
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Polish
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U.S.
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Chicago
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university
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W.D. MacMillan
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Pennsylvania State College
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United States Naval Observatory
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Gerald Clemence
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ephemeris time
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Simon Newcomb
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Louis Essen
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England
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calibrate
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atomic clocks
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caesium
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Hz
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second
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International Astronomical Union
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Dublin
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International Union of Geodesy and Geophysics
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American Geophysical Union
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physics
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Marquette University
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Nova Southeastern University
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Categories
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1907 births
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1998 deaths
|
American astronomers
|
Timekeeping
|
Americans of Polish descent
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Wikipedia article "William Markowitz"
.