His stay in Stralau had the most beneficial effects on his health. He worked strenuously at his newly-acquired philosophical convictions, and for this his relations with the members of the Graduates' Club stood him in good stead, more especially his acquaintance with Bruno Bauer, a lecturer in theology, and Friedrich Koeppen, a master in a grammar school, who in spite of difference of age and position treated him as an equal. Marx gave up all thought of an official career, and looked forward to obtaining a lectureship in some university or other. His father reconciled himself to the new studies and strivings of his son; he was, however, not destined to rejoice at Karl's subsequent achievements. After a short illness he died in May, 1838, at the age of fifty-six. Marx then gave up altogether the study of jurisprudence, and worked all the more assiduously at the perfecting of his philosophical knowledge, preparing himself for his degree examination in order--at the instigation of Bruno Bauer--to get himself admitted as quickly as possible as lecturer in philosophy at the University of Bonn. Bauer himself expected to be made Professor of Theology in Bonn after having served as lecturer in Berlin from 1834 to 1839 and in Bonn during the year 1840. Marx wrote a thesis on the Natural Philosophies of Democritus and Epicurus, and in 1841 the degree of Doctor of Philosophy was conferred on him at Jena. He then went over to his friend Bauer in Bonn, where he thought to begin his career as lecturer. Meanwhile his hopes had disappeared. Prussian universities were at that time no places for free inquirers. It was not even possible for Bauer to obtain a professorship; still less could Marx, who was much more violent in the expression of his opinions, reckon on an academic career. His only way out of this blind alley was free-lance journalism, and for this an opportunity soon presented itself. III. BEGINNINGS OF PUBLIC LIFE.