Cemetery. A few months after his death, a renowned psychiatrist Maurycy Urstein called Niewiadomski's execution a judiciary homicide, as the perpetrator...

1855) were among his earlier pupils, and Stanislaw Urstein, Edwarda Chojnacka, Wiktor Chapowicki, Józef Śmidowicz, Vladimir Sofronitsky, Jadwiga Sarnecka...