A world traveler, Cottingham was still serving at Louisiana Tech when he died at the age of sixty-eight in [[Mexico City]], [[Mexico]], where he was visiting his older daughter, Mary Virginia Majors, who lived in Mexico.<ref name=lahist/> | A world traveler, Cottingham was still serving at Louisiana Tech when he died at the age of sixty-eight in [[Mexico City]], [[Mexico]], where he was visiting his older daughter, Mary Virginia Majors, who lived in Mexico.<ref name=lahist/> |