Mr. Woolworth built the 792 foot Woolworth Building -in New York City- and paid 13.5 million dollars for its construction in cash. At the time of its completion, in April 1913, it was the world's tallest building; a title held until 1930.
Photo from Wikipedia / "Jonathan71"
A 1930s-vintage postcard proclaims the Woolworth store in Portland, Maine.
Graphic from the Boston Public Library