In 1901, a pavilion designed for 60 semi-disturbed male patients operated on the colony's grounds — one of the hospital's specialized wards.
Kashchenko, Petr Petrovich (1858 — February 19, 1920) — a renowned Russian Soviet physician, psychiatrist, and public and zemstvo figure.
In 1889–1904, director of the psychiatric hospital of the Nizhny Novgorod zemstvo — the "Lyakhovo colony."
In Prioksky District there is Kashchenko Street.