Mark Osipovich Reizen, also Reisen or Reyzen (Russian: Марк Осипович
Рейзен, born in Zaitsevo village, Ekaterinoslav province, Russian Empire
3 July [O.S. 21 June] 1895 — died November 25, 1992 Moscow, Russia) was
a leading Soviet opera singer with a beautiful and expansive bass voice.
