(1) John D. Cox (b. 1943) is a US science writer specialising in weather, climate, and the environment.
(2) John D. Cox (b. 1945) is Professor of English at Hope College, and a specialist in Shakespeare, medieval and Renaissance drama.
(3) John D. (Dee) Cox (1907-1964) was a Christian writer and preacher based in Tennessee and Alabama.
4) Cox, John D. Culp's Hill
5) John David Cox - Traveling South (not the same as 4)