She got the machine to do the copying, then spent twenty years losing the argument about where the field should go next.
Byron's daughter, Babbage's interpreter: she saw that a machine for numbers was really a machine for symbols — and said exactly what it could not do.
Printer, scientist, and founder who turned thrift, wit, and small daily experiments into a working system for getting on in the world.
Do the homework, find the one big idea, promise a real benefit — and keep the one test that actually counts: did it sell.