In 1884 , he graduated from the Saint - Petersburg Institute of Railway Engineers and worked as a designer of bridges .
Lavr Proskouriakov was born on 18 August 1858 , into a large peasant family .
In 1884 , Lavr Proskouriakov graduated from the Saint - Petersburg Institute of Railway Engineers and worked as a designer of bridges .
Lavr Proskouriakov was born on 18 August 1858 , into a large peasant family .