Thesis in the CVC - "Kirov - the honourable man", the rating is satisfactory. The training took place at the faculty of painting, awarded the title of artist of painting.
Participant civil and the great Patriotic war. In 1937 she graduated with honors from the Academy of fine arts in the workshop of I. I. Brodsky. After the graduation painting "Kirov - the honourable man", he continued studies at the graduate school of the Academy of arts, whose leadership after the death of I. I. Brodsky moved to B. V. Ioganson. Yassievich - a great portraitist, the Creator of multi-figure paintings. In 1937 he was a member of the Union of artists. Picture N.N. Yassievich are in various museums around the country.