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serafinj's profile
Joined about about 11 years ago.
serafinj's timelines
Robert Goddard: Rocket Engineer
harriet quimby life of
Neil Armstrong
Ferdinand Zeppelin by Wilson Fisher
The Wright Brothers
Ferdinand Zeppelin
Igor Sikorsky
Charles Lindbergh
Harriet Quimby
Bessie Coleman
elmer stone
The life of Katherine Stinson
George Cayley
Otto Lilienthal
Igor Sikorsky
Robert Goddard