Likely John Malcolm, making him same person listed here as Malcolm.

There is a John Malcolm Poynter, b. Mar 25, 1918; d. Nov. 6, 1978; bur. Resthaven Gardens of Memory and Mausoleum, Baton Rouge, East Baton Rouge Parish, LA. If this is the correct person, his wife was Margaret C., b. Nov. 10, 1921; d. Mar. 27, 1986; buried same location.