Gadzira shanduro yakaoma zvikuru yemutsara uyu Jack Tworkov (1900 - 1982) akanga ari mufananidzo wokuratidzira wakajeka.
Chokwadika, shanduro yakaoma zvikuru yemutsara ndeiyi "Jack Tworkov (1900 - 1982 ) akaberekerwa muBiala, Poland uye akatamira kuUnited States paakanga ava nemakore gumi nematatu. "