Born in 1889, Martinek enlisted in the army of Austria-Hungary in 1907 and served during World War I. In the inter-war he taught at (and during the 1930s, headed) the Austrian military's Artillery School.
Born in 1889, Martinek enlisted in the army of Austria-Hungary in 1907. Serving with the "Bundesheer" after World War I, he taught at (and during the 1930s, headed) the Austrian military's Artillery School.