David Starr, Space Ranger

Asimov, Isaac: - "JOHN DRURY CLARK (1907 - 1988) was an American rocket fuel developer, chemist, and science fiction writer. In addition to his work as a scientist, he was instrumental in the broad revival of interest in Robert E. Howard's Conan stories and an influence on the writing of Isaac Asimov, L. Sprague de Camp, Fletcher Pratt, and other sci-fi authors.

ISAAC ASIMOV (1920 - 1992) was an American author and professor of biochemistry at Boston University, best known for his works of science fiction and for his popular science books. A prolific writer, he published more than 500 books, most notably the science fiction novels I, Robot and Foundation, and the popular science works, Guide to Science and Understanding Physics."