The book "Nelka Mrs. Helen de Smirnov Mukanov 1878-1963, biographical sketch" is a unique journey into the world of an outstanding personality who lived a rich life and made a significant contribution to the cultural treasury of the world. The author Michael Mukanov reveals to the reader the most interesting pages from the life of Nelka, who was noted for her incredible energy, creativity and influence on those around her. This book will be an important source of information for those interested in the biographies of strong, independent women who changed the world around them. Rare photos and personal memories of the author make reading even more interesting and exciting.