==Later history==The observatory staff was very badly affected by the Great Purge and many Pulkovo astronomers, including the director Boris Gerasimovich, were arrested and executed in the late 1930s.
== Storia recente ==Lo staff dell'Osservatorio fu duramente colpito dalle Grandi Purghe: numerosi astronomi di Pulkovo, fra cui il direttore Boris Gerasimovich, vennero arrestati e condannati a morte sul finire degli anni 1930.