Love with eniac. He knew what it could do. Then it was this very wonderful thing where he taught clarie how to program it. There was a debate of who so what first, but somebody saw that they were designing the institute machine and writing code for it. But the machine was not ready. Someone said, we can rewire eniac and run programs on the eniac. They spent six weeks rewiring it and getting it to run. That was the origin of modern software. And that was such a fruitful time. So it was a mixture of their marriage, the coding. And she had no training whatsoever . She did have training. During the war, when johnny went off to england to do what, we do not know . She was left behind in princeton. Women could apply and get a wartime job. Hers was at the center for Population Research at princeton university. Her job was modeling populations of people. What would happen if you created a new state in the middle east or something . They model growth of population. That is what you needed to so