I'm not acquainted with Lawson so someone who has been, should try this phone number or send a letter.
Here ya go .... best I can find now ....and confirming some info:
I find no published Obituary or SS Death Index reference so reasonable to believe he's living. Being of an elevated status in the community one would expect publication. He could have become involved with a medical/physical aging situation and moved into an Assisted-Living or NH facility however if within the last year or so, a letter or card sent to this home address should get forwarded to him.
If one really wants to "dig-in" one can find his son's phone number and inquire.
Otherwise:
Lawson A. (Alexander) Cox II
971 Cochran
Covington GA 30014-6400
(770) 784-0507 latest listing
(770) 580-1899 probably a former business phone
Born 1931 in Tennessee; age 92
Not sure about spouse living or not but maybe "Miki"
Has used a variety of Email services:
lacoxii@address.com; @onebox.com; @alltel.com; aol.com; juno.com; southbell.com.
Has son Lawson A. (Alexander) Cox III in Athens GA with family.
Comes from a family line of military veteran's i.e. Civil War, his father WW2.
Good luck !