Between 1915 and 1918 he worked as a military medical officer .
In 1911 Schischkin graduated from the Faculty of Medicine of Tomsk State University and from 1913 to 1915 he taught there .
Between 1915 and 1918 Schischkin worked as a military medical officer .
In 1911 Schischkin graduated from the Faculty of Medicine of Tomsk State University and from 1913 to 1915 he taught there .