📁 Lindenthal,

American civil engineer. Structures include Hell Gate Bridge, Queensboro Bridge, and Smithfield Street Bridge. Born: 1850 Died: 1935

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A History of Manned Space Missions

http://www.windows2universe.org/space_missions/manned_table.html

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A History of Unmanned Space Missions

http://www.windows2universe.org/space_missions/unmanned_table.html

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