Oszkár Asbóth
From Freepedia
Oszkár Asbóth( March 31, 1891 in Ponkota - February 27, 1960 in Budapest) was a Hungarian aviation engineer often credited with the invention of the helicopter.
Oszkár Asbóth( March 31, 1891 in Ponkota - February 27, 1960 in Budapest) was a Hungarian aviation engineer often credited with the invention of the helicopter.
