How We Got to Now How We Got to Now How We Got to Now is a British-American factual television series that was broadcast on PBS in 2014 and BBC Two in 2015. The series was commissioned by the BBC in the United Kingdom and made by Nutopia, a British-American production company in the United States. The six-part series, presented by Steven Johnson, explores the legacy of great ideas. Episode titles for the six parts are: 1) Clean, 2) Time, 3) Glass, 4) Light, 5) Cold, and 6) Sound. The historical characters who appear include Thomas Edison, Clarence Birdseye, Frederick McKinley Jones, Willis Carrier, Tim
Invention of the telephone useful and widespread apparatus it is now. The telephone exchange was an idea of the Hungarian engineer Tivadar Puskás (1844–1893) in 1876, while he was working for Thomas Edison on a telegraph exchange. Puskás was working on his idea for an electrical telegraph exchange when Alexander Graham Bell received the first patent for the telephone. This caused Puskás to take a fresh look at his own work and he refocused on perfecting a design for a telephone exchange. He then got in touch with the U.S. inventor Thomas Edison who liked the design. According to Edison, "Tivadar Puskas was the