 Complete the following phrase:  Hans Fischerkoesen, also known as Hans Fischerkösen or Hans Fischer, 18 May 1896  23 April 1973 was a German commercial animator. Fischerkoesen is considered an animation pioneer, due to the inventions and innovations he applied to animation technology, especially the use of three-dimensional elements in his animations. Later he becomes Germanys most influential cartoonist, often nicknamed Germanys Walt Disney. He won both first and second prizes at a Dutch-sponsored international competition in 1937, for advertising films the runners up included George Pal and Alexander Alexeieff . By 1956 he had won major prizes at commercial film festivals in Rome, Milan three times, Venice, Monte Carlo and Cannes. Most notable was the participation in the 