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  Hale, Edward Everett Hale, Nathan  
CONTENTS · INDEX · ILLUSTRATIONS · BIBLIOGRAPHIC RECORD
   The American Heritage® Dictionary of the English Language: Fourth Edition.  2000.
 
Hale, George Ellery
 
DATES:1868–1938
American astrophysicist who invented the spectroheliograph (1891) and directed the Mount Wilson Observatory (1904–1923).
 
 
The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved.

CONTENTS · INDEX · ILLUSTRATIONS · BIBLIOGRAPHIC RECORD
  Hale, Edward Everett Hale, Nathan  
 
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