My great-great-grandfather Andrey Shustikov (the one the left) and his son, (my great-grandfather) Socrat Andreevich Shustikov (the one the right). At this picture Socrat A. Shustikov is a student of St. Petersburg Imperial Polytechnic Institute. (approx. 1910). Andrey Shustikov was a famous ethnographer, memeber of Russian Imperial Geographical Society, books collector and owner of the library in Vologda.
 
 
Socrat Shustikov was a known professor of St. Petersburg Imperial Polytechnic Institute. His research area included Mechanics, Elasticity Theory and Bridge Engineering. He was a Honorary Professor of Structural Mechanics and Theory of Elasticity Department. There are more photos of Socrat Shustikov on the next page.