Lavrenty
Ivanovich Ivanov

Markshejdersky student Nerchinsk mining plants. In 1820 he was enabled by His Imperial Majesty's Cabinet in the number left at the Academy of arts for improvements, as was 17 years old. Received medals: in 1824 – 2 silver; in 1825 – 1 silver. In 1827 issued a certificate and behavior.

(Kondakov)

The student of the master of Russian classicism Carlo Rossi, the pupil of St. Petersburg Academy of arts (1820-25). The son of a soldier of Nerchinsk mining district. In 1827 according to the decree of the Cabinet arrived to Barnaul to serve the factory of the architect. Participated in the creation of the ensemble of Demidovsky square, designed the building of the mining school. In 1829 withdrawn Nerchinsk factories, where he worked as architect. For reviews of K. I. Rossi, and teachers at the Academy of fine arts, was distinguished by a special talent in the architectural business.