Stephen Hawking when he was dolescente entered the University College , where he studied physics. Brilliant student , when he was 21 , it was discovered that he was diagnosed with a rare degenerative disease , however, did not let the disease affect your life dramatically and with impressive courage and perseverance he continued combining family life with their investigations physics together with an extensive program of travel and conferences . Hawking had severe pneumonia and after all emergency procedures are performed , local doctors advised him to shut down the machine that kept him alive , but his wife did not accept the suggestion in any case, removing it to England . By subjecting him to an emergency tracheotomy , completely lost his vocal cords and his voice definitive , however , won over this battle and the world definitely won one of its greatest living examples of where we can reach with our power of resilience and perseverance , allied to our human and intellectual capacity . Stephen Hawking , always knew how to combine few, whether in their major obstacles in the fight for life, whether in cosmological discoveries of physics, the wonder of a child into a genius intellect. An extraordinary brain, that besides the huge life lessons that offered us , explained to us the intricacies of physics with a clarity and simplicity hitherto unimaginable for such a complex subject