Abraham Lincoln and his wife Mary were the parents of four boys. Only one – Robert – lived beyond his eighteenth birthday. Author Jason Emerson spent nearly a decade researching the 82-plus years of Robert Lincoln's life, including his time as a Union soldier, minister to Great Britain, Secretary of War, and president of the Pullman Car Company. Mr. Emerson is the author of "Giant in the Shadows: The Life of Robert T. Lincoln."
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