Logan yes, that's him! Luser (Leo) Rosenmann

I am looking for the name of the bank or banks that Luser Rosenmann owned. He lived in Vienna, Austria. He, his second wife Susan and their two children Erika and Arthur lived in an apartment on the Gusenbauer Gasse and also had a summer home in the Hinterbruhl. Luser owned several banks. We belive ...