Harrison Ruffin Tyler, grandson of the 10th U.S. president, dies at 96

President John Tyler, circa 1860-1865. His last surviving grandchild, Harrison Ruffin Tyler, died on Sunday.

Harrison Ruffin Tyler was just three generations from the White House, since his father and grandfather both fathered children in their 70s. The chemical engineer helped preserve his family’s legacy.

(Image credit: Hulton Archive)