Leibowitz showed the justices that the names of African Americans had been added to the jury rolls .
Attorneys Samuel Leibowitz , Walter H. Pollak and Osmond Frankel argued the case from February 15 to 18 , 1935 .
Samuel Leibowitz showed the justices that the names of African Americans had been added to the jury rolls .
Attorneys Samuel Leibowitz , Walter H. Pollak and Osmond Frankel argued the case from February 15 to 18 , 1935 .