Fred I. Scholtfeldt, Naturalization Commissioner, has announced that last year 13,355 persons became American citizens in Chicago, of whom 40 per cent or 4,305 are Poles. The Russians follow with 2,078. In third place are the Italians with 1,669. The number of Germans who were naturalized in the last year was 619, compared with 588 in the previous year. Austria contributed 270 and Switzerland 32 new citizens.