MRS. ROOSEVELT OPENS SLUM CLEARANCE MEETING. MRS. FRANKLIN D. ROOSEVELT IS GREETED BY NORMAN THOMAS AS THE FIRST LADY PREPARES TO OPEN THE NATIONAL PUBLIC HOUSING CONFERENCE AT THE WILLARD HOTEL IN WASHINGTON FRIDAY NIGHT. IN CENTER IS MARY KINGSBURY SIMKHOVITCH, NEW YORK, PRESIDENT OF THE NATIONAL PUBLIC HOUSING CONFERENCE - digital file from original negative