Who Invented the First Digital Clock?

As sometimes happens in innovation and invention, there does not seem to be a who in the invention of the first digital clock. The first one seems to have appeared in 1956 as the end result of many different innovations coming together in a logical next step. Many credit the invention of the quartz movement as the single most influential step toward the digital clock. You can find more information at http://www.worldtimezones.com/guides/dig...