Sigizmund Dominikovich Krzhizhanovsky (11 February 1887 – 28 December 1950) was a Russian and Soviet writer, playwright, philosopher, and historian, who described himself as "known for being unknown". He published only a few stories and essays in his lifetime; the majority of his writings were published posthumously.https://en.wikipedia.org/wiki/Sigizmund_Krzhizhanovsky
https://en.wikipedia.org/wiki/Sigizmund_Krzhizhanovsky