I thought I'd better check this third plate, which is another date, see if there's an image there in the right place that would be consistent with the images on the other plates. That was the final proof.
-- Clyde Tombaugh
   
Clyde Tombaugh   Name:
Clyde Tombaugh
Type:
Scientist
Nationality:
American
Birth:
February 4, 1906
Death:
January 17, 1997
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