“
Raj’s love interest, Lucy, auditioned before Mayim, and we thought she was terrific and really funny. And then Mayim came in, and aside from being awesome as well, Chuck loved that she actually had a PhD in neuroscience. It could have gone either way between Mayim or Kate, but because Mayim could bring an authenticity to the science and to the intelligence of the character, Chuck was like, “I think that’s so cool. Let’s go with her.
”
”
Jessica Radloff (The Big Bang Theory: The Definitive, Inside Story of the Epic Hit Series)