Dr.Chien-Shiung Wu

She is a experimental physicist who made significant contributions in the field of physics

She is a experimental physicist who made significant contributions in the field of nuclear physics. She well known for her work in Manhattan Project, the proof of law of conservation of parity.

Artifacts

Small, circular lapel pin with nickel-plate brass back-clasp; face of pin depicts the U.S. Army Corps of Engineers castle insignia with “MANHATTAN PROJECT / A BOMB”.
Manhattan Project Pin, 1945-1950, New-York Historical Society

Distributed from 1945 until 1950, silver participation pins such as these were awarded to all individuals who had worked on the Manhattan Project for more than one year.