So how do you explain all the famous male scientists and inventors of history? The most famous of them all are because they discovered cool things, not necessarily the "hardest" or "most significant" thing. Everyone knows e=mc2, but most people do not know about von neuman architecture, even though the latter has had a significantly greater impact on peoples lives. Taking the first picture of a black hole is as sexy as it gets in science. Katie would be famous no matter what she was.