Viki studied at Rabbi Austerlitz’s yeshiva in Miskolc and joined the Zionist activities within the framework of “Mizrahi”. He moved to Budapest and from 1944 he dedicated all his energy to rescue operations. Viki went on missions to Kassa. From July 1944 he was one of the twenty-four employees at the “Glass House”. He distributed Protection Documents (Schutzpass) on the “Death March”. After the liberation he continued his public work.
Viki made aliya. In 1951 he joined the administrative staff of the Hadassah Hospital in Jerusalem.