Biographer David Nasaw discusses the industrial titan’s love of a Scottish poet, interest in American history, and devotion to a surly English philosopher.
Naturalist and explorer George Cherrie kept a meticulous diary of the journey down an uncharted river in the Brazilian Amazon, which he took with Theodore Roosevelt in 1914.
Theodore Roosevelt's great-grandson discusses the president's love of Lincoln, penchant for Hungarian poetry, and the book that inspired his conservation legacy.