| http://www.w3.org/ns/prov#value | - 1891 scientific studies including mathematics, physics, chemistry and biology at Moscow University; involvement in student political activities; 1894 arrested and exiled to Tula; activities in factory workers' discussion groups, studies of Marxism and lectures for workers on popular science and radical politics; 1895 resumed his studies at the Medical Faculty of Kharkov University; 1899 graduation
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