Author: S. G. (Semen Grigorʹevich) Frug
Alternate names: Shimon Shmuel Frug; Semen Grigorʹevich Frug; שמעון-שמואל פרוג; Semion Grigoryevich Frug; Semen Grigor'evich Frug
Born: 1860
Died: 22 October 1916