Born in the village Telebooking, Kasimov district in the family of a merchant Vasily Dyakonov Nikonorovich. Growing up as a curious boy, attracted to drawing from early childhood "received" from the father "packety" with charcoal on the white walls of furnaces. He later graduated from the science course in the men's gymnasia in Kasimov. Father wanted to Vasily studied at the commercial College. So the news that the son wants to study painting, has caused a storm of indignation. Dmitry was deprived of material aid to father. At the age of 15 he studied at the Stroganov school and at Sunday school. He was helped by an older brother, Leonid, in the mystery of the father sending the money. The health of Dmitry was undermined from hard work. Returned home 20-year-old artist, sending a lot of pictures. He died at the age of 28 from tuberculosis. In 1920 burned down the creative legacy of Dyakonov-Michelago: the fire killed about 130 animals, paintings, sketches, and pencil sketches, all papers and documents of the artist.
In the collections of the Kasimov Museum of local lore are about 30 works:
"A worker of a brick factory", "Raspberry", "Tired" (1898)
"Water meadows" (1903), "the Wedding Krechinskogo" (1899)
"Frolovskoe windmill"
