bn:16569309n
Noun Named Entity
Categories: 1907 births, University of Wisconsin–Madison alumni, American male short story writers, 20th-century American male writers, Writers from Alaska
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John Drury Clark  John D. Clark  Doc Clark  Ignition  Ignition!
EN
John Drury Clark, Ph.D. was an American rocket fuel developer, chemist, and science fiction writer. Wikipedia
English:
rocket scientist
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EN
John Drury Clark, Ph.D. was an American rocket fuel developer, chemist, and science fiction writer. Wikipedia
American author, chemist and rocket scientist Wikipedia Disambiguation
American chemist and writer Wikidata
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