In September 1878, Thomas Alva Edison brashly—and prematurely—proclaimed his breakthrough invention of a workable electric light. That announcement was foll

A sweeping history of the electric light revolution and the birth of modern America The late nineteenth century was a period of explosive technological creativi

Laying the foundation for Thomas Edison, the first electric generators were built in the 1830s, the earliest commercial lighting systems before 1860, and the fi

First multi-year cumulation covers six years: 1965-70.