It may well be said that the answer to the question: Of what do the cosmic rays in fact consist before they produce their familiar secondary radiation phenomena in the earth's atmosphere? can only be obtained from numerous measurements in the stratosphere.
-- Victor Francis Hess
   
Victor Francis Hess   Name:
Victor Francis Hess
Type:
Physicist
Nationality:
American
Birth:
June 24, 1883
Death:
December 17, 1964
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