Savion Glover

Frank Sinatra changed people's approach to singing. Ella Fitzgerald, Marvin Gaye, van Gogh, they were all part of movements that allowed people to think about their craft differently. They changed the game. These people changed the game.

The historical novelist has to consider what has actually happened, while the SF writer is dealing in possibilities, but they are both in the business of imagining a world unlike our own and yet connected to it.

By irreducibly complex I mean a single system composed of several well-matched, interacting parts that contribute to the basic function, wherein the removal of any one of the parts causes the system to effectively cease functioning.