diplomat, preacher, and author, was born in Atlanta, Georgia, the son of Sallie Montgomery. Nothing is known of his biological father. His mother, however, was an African American, and Dennis was of mixed race parentage. In 1897 he was adopted by Green Dennis, a contractor, and Cornelia Walker. During his youth Dennis was known as the “mulatto child evangelist,” and he preached to church congregations in the African American community of Atlanta before he was five years old. By the age of fifteen he had toured churches throughout the United States and England and addressed hundreds of thousands of people.
Despite his success as an evangelist Dennis had ambitions to move beyond this evangelical milieu. In 1913, unschooled but unquestionably bright, he applied to Phillips Exeter Academy and gained admission. He graduated within two years and in 1915 entered Harvard.
Dennis s decisions to ...