1728-1729. Oil on canvas. The Hermitage, St. Petersburg, Russia. Read Note.
Ioann Azaretti (d. 1747) - a doctor of Italian origin, was educated in the University of Padua and received a diploma of Doctor of Medicine. Since 1721, was in service in Russia, taught anatomy in the St. Petersburg Hospital. Since 1733, he was in Russian military service. In 1742, he was arrested, but only for a short while. He then continued practicing medicine in Moscow