How did computers take over the world? In late 1945 a small group of brilliant engineers & mathematicians gathered at the newly created Institute for Advanced Study in Princeton New Jersey. Their ostensible goal was to build a computer which would be instrumental in the US governments race to create a hydrogen bomb. The mathematicians themselves however saw their project as the realization of Alan Turings theoretical universal machine. In Turings Cathedral" George Dyson vividly re-creates the intense experimentation incredible mathematical insight & pure creative genius that led to the dawn of the digital universe uncovering a wealth of new material to bring a human story of extraordinary men & women & their ideas to life. From the lowliest iPhone app to Googles sprawling metazoan codes we now live in a world of self-replicating numbers & self-reproducing machines whose origins go back to a 5-kilobyte matrix that still holds clues as to what may lie ahead."