Blaine had written the letters several years earlier during a shameful incident concerning the sale of railroad stock.

VOA: special.2010.04.29

Another naturalist,Alfred Russel Wallace, had independently written a paper that contained ideas similar to Darwin's concerning evolution.

VOA: special.2009.02.25

And a mystery from the Old West concerning empty graves, a faraway homeland and long-forgotten papers.

VOA: special.2010.07.23