Hannu Rajaniemi is from Finland and has a PhD in String Theory. He lived, taught and worked in Edinburgh for many years where he was a member of the high profile writing group that also included Hal Duncan and Alan Campbell. He currently lives in California.

His first novel, The Quantum Thief was widely and hugely praised and has been published in several countries. As well as writing novels he also works in the areas of number and game theory and artificial intelligence.