When a friend introduced me to the work of a theoretical physicist named Dr. Chanda Hsu Prescod-Weinstein, I had no idea what a "theoretical physicist" was. Whatever the work of theoretical physicists, I didn't imagine that there was one in our country who would say to a group of grad students at MIT, "Do not be afraid to be black, whatever that means to you. Do not be afraid to be black scientists. Do not be afraid to be black and simultaneously successful, whatever field you choose. For each individual, that may require creating something new and spectacular. Do not capitulate to the fear that you are not up to this glorious task."