It appears Paul Ackel is also deceased, subject to correction.  I had heard years ago that he had died.  I found, on the Social Security Death Index site, the following information.

Paul Emile Ackel

DOB:  6 Apr 1941

DPOD: 25 Sep 1984  Houston, Harris County, TX

SS #: 343-56-6237

Other data indicates he had been married and divorced two times prior to his death.