Born on 20 July 1888 in Odessa, Ukraine. Father -- employed by an Odessa fort. Learned in the Talmud Torah under the leadership of Mendele Mokher Sefarim, and completed a six-class state school.

For a year's time, K. learned in the dramatic school of Rakhmaninoy, then entered into a Russian Odessa dramatic theatre, where he participated in mass scenes. Later there came the possibility of acting in small roles with the actors Orlenyev, Yakovlev, Talanov et al. He became familiar with Yiddish actor Glazunov, and K. became through him talked into entering into the Yiddish troupe under the direction of Meyerson in Nikolayev, where K. debuted in the singing role of "Katsov" in Goldfaden's "Kishufmakherin". Then krigt he shoyn to act ias "Shumunyu" in the "Two Kuni Lemels". For less than half-a-year K. toured with the troupe and thanks to the good attitude of Meyerson, he learned from him a lot about the business of the stage. K. then toured for a short time with actor Jacob Gartelevitsh, then he went over to Bronstein's troupe in Kherson, where he krigt shoyn prominent singing roles, such as "Gbbrialke" in "Khinke pinke", "Absalom" in "Shulamis", and the role of "Bar kochba". K. then acted for two years with Bezman, and becoming a zaposner (reservist), he was mobilized into the army during the First World War. He organized a dramatic circle in which he often gave a performance. He fell into a gegegnshaft, and wandering as such across various lands, made there offerings in Yiddish and some of the time in Russian, among them "God, Man and Devil", ("Satana"), acting in the role of "Hershele Dubrovnik".

Returning to Moscow after the February Revolution, K. entered into the troupe of Zhitomirski and acted with the guest-starring Clara Young. In 1932 he entered into the state Ukranian operetta in Donbes, whre he acted until 1934.

K.'s wife, Polinova, also was an actress, aa was their very young daughter Sonia Karlos.

K.'s further fate is unknown.

Sh. E. from Mark Leyptsiker.