What is Lisa meitner famous for and where is she from?

According to Wikipedia, "Lise Meitner FRS[1] (7 or 17 November 1878 - 27 October 1968) was an Austrian-born, later Swedish, physicist who worked onradioactivity and nuclear physics.[2] Meitner was...

yes, Mona Lisa is the worlds most famous painting with over 6 million visitor per year.

YES! it is

There probably are more people who can identify this painting if they see it (or a photograph of it) than any other painting.

A human being.