Complaint Ratios: the ratio, expressed as a percentage, is the number of closed confirmed complaints divided by the number of policies the company had in force for the line of insurance and year indicated.
Thomas Edison invented the first ever light bulb in 1880. This is arguably the most important invention in the history of mankind. Britain underwent an Industrial Revolution that helped Britain's economy greatly during the Victorian Era.
Thomas Edison is revered as a great American inventor, and his incandescent bulb is considered one of the most important inventions of the modern world. But in The Age of Edison: Electric Light and the Invention of Modern America, Ernest Freeberg shows that the light bulb reflected the work of many inventors, rather than Edisonâs lone genius.