Karl Hauk was born on May 1, 1898 in Klosterneuburg. He studied from 1918 to 1923 at the Academy of Fine Arts in Vienna under Jungwirth, Sterrer. and Delug. He presented the first time in 1920 as a part of a collective exhibition of the "ring", an association of artists and art lovers, in Linz. In 1921 he was awarded the silver Fügermedaille of the Academy of fine Arts. Hauk commuted between Linz and Vienna and worked as a freelance artist. He presented at the Vienna Secession, the Hagenbund, and at the artclub MAERZ, which he was a member of. From 1927 to 1938 Hauk was a member of the Hagenbund.
He led a master class for painting at the art school in Linz. Hauks travel to Italy, Switzerland, France, Yugoslavia, and Germany, which were popular travel destinations after the war. From there he brought back numerous images. Works of his hands are in the Albertina, the Vienna Museum, and the Upper Austrian Provincial Museum. Karl Hauk died in Vienna 1974.