Gustav Lilienthal (October 9, 1849 – February 1, 1933) was a German social reformer, a pioneer in building and construction technology (Prefabricated buildings), inventor of different Construction sets (e. g. Anchor Stone Blocks) and involved in the pioneering work of his brother, Otto Lilienthal in aviation.
- "Gustav Lilienthal, Flight Pioneer, Dies. With Famous Brother, Otto, He Experimented With Flying Machines in the 90s". United Press in the New York Times. February 2, 1933. Retrieved 2010-12-06.
Gustav Lilienthal, a pioneer in German aviation and a brother of the famous Otto Lilienthal, died today at the age of 83. ...
- "G. Lilienthal, Air Pioneer, Dies In Germany At 83". Chicago Tribune. February 2, 1933. Retrieved 2010-12-06.