
    Northern Trust Company, appellee, v. Aladar Hamburger et al., defendants. Florence L. Hickman and Charles Sharpless Hickman, appellants.
    Gen. No. 39,383.
    Opinion filed April 19, 1937.
    Rehearing denied May 3, 1937.
    Isidore Brown and Albert Langeluttig, for appellants. Wilhartz & Hirsch and Sidney J. & Arthur Wolf, for appellee; Samuel E. Hirsch and Arthur Wolf, of counsel.
   Mr. Justice McSurely

delivered the opinion of the court.  