Hinton Rowan Helper, from North Carolina, was a writer, abolitionist, and white supremacist. In 1857, he published a book that he dedicated to the "non-slaveholding whites" of the South. Wikipedia
Born: December 27, 1829, Davie County, NC
Died: March 9, 1909 (age 79 years), Washington, D.C.
Spouse: Maria Louisa Rodriquez (m. ?–1909)
Books
The Impending Crisis of the South
1857
The Negroes in Negroland: The Negroes in America, and Negroes Generally
1868
The land of gold
1855
Tribute to the Memory of Abraham Lincoln by the American Citizens Resident in Buenos Aires
1865
Nojoque
1867
Oddments of Andean Diplomacy; and Other Oddments; Including a Proposition for a Double-Track Steel Railway from the Westerly Shores of Hudson Bay to the Midway of the Strait of Magellan; the Two Terminal Points, Measured Along the Line Contemplated, ...