Madame Curie should not be wearing
a digital watch.
The Big Bang Theory Season 4, Episode 2
...this is Madame Curie killing herself
by discovering radium.
The Big Bang Theory Season 6, Episode 4
We can be like Marie Curie
and her husband, Pierre,
The Big Bang Theory Season 5, Episode 16
...Madame Curie.
The Big Bang Theory Season 6, Episode 18
Hint. Madame Curie had her husband
to help her.
The Big Bang Theory Season 3, Episode 7