John Quincy Stewart
John Quincy Stewart (September 10, 1894, Harrisburg, Pennsylvania – March 19, 1972, Cottonwood, Arizona) was an American astrophysicist.
Прочитајте више...John Quincy Stewart (September 10, 1894, Harrisburg, Pennsylvania – March 19, 1972, Cottonwood, Arizona) was an American astrophysicist.
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