A brief sketch of the life and creative activity of the outstanding Soviet Mathematician Academician N.M. Krylov, compiled by the authors on the basis of archival and previously published materials for the 125th anniversary of the birth of the scientist.
The paper is devoted to the 150th anniversary of the birth of the famous scientist and talented teacher of the Mining Institute I.P. Dolbnya. On the basis of archives, scientific mathematical literature and memoirs, a brief biography of the scientist is given, memories of his contemporaries are presented, and the main aspects of his scientific research are highlighted.
The pedagogical and scientific activity of three famous graduates of the Mining Institute: G.A.Timet, I.P.Dolbnya, N.M.Krilev, who achieved great results in mathematics and its applications and headed the mathematical department of the Institute in the late XIX - early XX century, is briefly summarized below.
