How the Microphone Changed Music
Just as the development of e-mail in the 1990s changed the love letter, the technology of the 1920s forever altered the love song. In the late nineteenth and early […]
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Dr. Alice Hamilton and Industrial Toxicology
Worker safety in factories and industrial plants became an issue in the late 19th century when more workers left their farms for jobs in cities. Alice Hamilton, a young woman
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Labor Day: The Story Behind It
Today Labor Day is primarily thought of as the long weekend that marks the end of summer, but Labor Day began as an outgrowth of the labor movement. Labor unions
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Dog Puncher and Chinook Breeder Arthur Walden
Arthur Walden’s experience during the Yukon Gold Rush gave him a lifelong passion. He loved working with dog teams, and he soon saw that hauling freight to the miners by
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Allen Allensworth, Former Slave Founded Town
The town of Allensworth, California, is one of a good number of Black townships that sprouted up in different parts of the country after the Civil War and beyond, as
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Carlos Finlay: Cuban Physician Who Identified Carrier of Yellow Fever
The method by which yellow fever spread was proposed by Dr. Carlos Finlay (1833-1915), a Cuban physician. It took twenty more years for the Reed Board (Army Surgeon Walter Reed)
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