Dr. Chien-Shiung Wu was a towering figure in science whose parity experiment shattered our understanding of the physical world. She enjoyed rockstar status in China, met the pope, inspired an opera and even became a “Jeopardy!” question. But to Jada Yuan, she was grandma.

See the portraits we discuss:

Dr. Wu in the lab

Tsung-Dao Lee, Nobel Laureate

Chen-Ning Yang, Nobel Laureate

Dr. Wu on the forever stamp

Also, check out Jada Yuan’s article about her grandmother here!