Twin brothers, both accomplished violinists, have been granted permission to leave the Soviet Union for Israel after four years in hard labor prison camps. They are Arkady and Leonid Vainman of Kharkov, who were released from prison in May. The original application to settle in Israel, made in May 1972, was thwarted by their mother’s objections. During his imprisonment. Leonid was frequently punished because he was unable to fulfill his work norms. He was placed in solitary confinement and at one point was put in a punishment section with homosexuals.