
Hint. Madame Curie had her husband
to help her.
The Big Bang Theory Season 3, Episode 7

Oh, Madame C.
The Big Bang Theory Season 7, Episode 11

...this is Madame Curie killing herself
by discovering radium.
The Big Bang Theory Season 6, Episode 4

Um, Isaac Newton, Madame Curie
and Niels Bohr.
The Big Bang Theory Season 3, Episode 7

...Madame Curie.
The Big Bang Theory Season 6, Episode 18