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American Association for the Advancement of Science

(Encyclopedia)American Association for the Advancement of Science (AAAS), private organization devoted to furthering the work of scientists and improving the effectiveness of science in the promotion of human welfa...

Rodgers, John, 1773–1838, American naval officer

(Encyclopedia)Rodgers, John, 1773–1838, American naval officer, b. Harford co., Md. He had seen years of merchant service before he became (1798) a lieutenant in the new U.S. navy. He served in the Tripolitan War...

Rodgers, John, 1812–82, American naval officer

(Encyclopedia)Rodgers, John, 1812–82, American naval officer, b. Harford co., Md.; son of John Rodgers. He became (1828) a midshipman and saw varied service. He conducted (1852–56) exploring expeditions in the ...

Putnam, George Palmer, 1814–72, American publisher

(Encyclopedia)Putnam, George Palmer, 1814–72, American publisher, b. Brunswick, Maine; grandnephew of Israel Putnam. A member of the New York City bookselling firm of Wiley and Putnam, he established a branch in ...

Campbell, Robert, American fur trader and merchant

(Encyclopedia)Campbell, Robert, 1804–79, American fur trader and merchant, one of the mountain men, b. Ireland. He came to the United States c.1824. Having been advised to lead an outdoor life because of a lung a...

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