An academician Mikhail Nikolaevich Тихомиров is the largest home historian of middle XX centuries, scalene researcher of history of Russia X - XIX of centuries, a prominent teacher is a creator of scientific school, science organizer, tireless zealot of inlightening. Native of Moscow, graduating student and professor of the Moscow university, he specially will study the past of Moscow. Founder of the Archaeography commission of Academy of sciences, many forces he gave to the scientific publication of manuscripts, organization of work on collecting and description of monuments of history and culture.In a book incorporated work of different scale, different genres and different years about labours and days М. Н. Тихомирова, his student - Сигурда Оттовича Шмидта - adviser of the Russian academy of sciences, academy of the Russian academy of education, Archaeography presiding with 1968, editor of editions of compositions of М. Н. commissioner Тихомирова.