Voska was an effective underground tool in the last war, a sincere and brake man. This is his story, told in collaboration with a well known journalist. A staunch liberal, he was instrumental in building the U.S. Czecho-Slovakian League; he headed a bureau of espionage work in New York; he was valuable in preventing sabotage; he served in the Intelligence service during the war; he was a marked man when the anschluss came. Good material, less glamorous than most. Ran in the Post.