Oleksiy Ivakhnenko (Ukrainian: ?????� ?????´????? ???´??????, Russian: ??????? ?????´?????? ???´??????); (30 March 1913 – 16 October 2007) was a Soviet and Ukrainian mathematician most famous for developing the Group Method of Data Handling (GMDH), a method of inductive statistical learning, for which he is sometimes referred to as the "Father of Deep Learning".