May 3, 2016

Claude Shannon, the Father of the Information Age, Turns 1100100

Claude Shannon: Born on the planet Earth (Sol III) in the year 1916 A.D. Generally regarded as the father of the information age, he formulated the notion of channel capacity in 1948 A.D. Within several decades, mathematicians and engineers had devised practical ways to communicate reliably at data rates within one per cent of the Shannon limit.

As is sometimes the case with encyclopedias, the crisply worded entry didn’t quite do justice to its subject’s legacy. That humdrum phrase—“channel capacity”—refers to the maximum rate at which data can travel through a given medium without losing integrity. The Shannon limit, as it came to be known, is different for telephone wires than for fibre-optic cables, and, like absolute zero or the speed of light, it is devilishly hard to reach in the real world. But providing a means to compute this limit was perhaps the lesser of Shannon’s great breakthroughs. First and foremost, he introduced the notion that information could be quantified at all. 

Read more at The New Yorker

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