Professor of the Geological Institute. Nadezhda Konstantinovna personally knew him in the 1890s as an honest man and one with revolutionary sympathies. His son is a communist.

Comrade Unshlikht!

I request that you order an investigation. It seems very likely that the scholars ought to be released.

Sapropel is a matter of considerable economic importance for us.

23/VIII. Lenin

Written August 23, 1921

Published for the first time from the manuscript