Statistics for occurrence #1 of “Mr. Woodruff” in entry carnegie-andrew of Harper's Encyclopedia of United States History:

...ist; born in Dunfermline, Scotland, Nov. 25, 1837; was brought to the United States by his parents, who settled in Pittsburg in 1848. In the early part of his business career he was associated with Mr. Woodruff , the inventor of the sleeping-car, in introducing it on railroads. Afterwards he became superintendent of the Pittsburg division of the Pennsylvania Railroad Company; invested largely in oil-wells ...
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