Zlatan Ibrahimovic

The original entrepreneur may initiate the initial purpose, but, in a sense, like a parent that has children, the children have their own destiny, and at some point, that can veer off away from the wishes the parent might have for it.

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.