Back جيدو كيلر ARZ Guido Keller German Guido Keller French Guido Keller Italian Гвідо Келлер Ukrainian
Guido Keller (6 February 1892 – 9 November 1929) was an Italian aviator and political activist who was closely associated with Gabriele D’Annunzio and played an important role in the seizure of Fiume in 1919.