David Hubel (Fig. 1) was born on the 27th of February 1926 in Windsor, Ontario, Canada. His parents were American emigrants; his father was a chemist. In 1929, they moved to Montreal. From his early age, Hubel, following his father’s footsteps, showed interest in science, especially chemistry and electric engineering. After graduating from Strathcona Academy located on the Montreal suburbs, he began his studies at the McGill University in Montreal. Initially he studied physics and mathematics than medicine [1].