From the AMS press release:
Forty-six mathematical scientists from around the world have been named Fellows of the American Mathematical Society (AMS) for 2021, the program's ninth year.
The Fellows of the AMS designation recognizes members who have made outstanding contributions to the creation, exposition, advancement, communication, and utilization of mathematics. The AMS is pleased to present the class of 2021 Fellows who are being recognized by their peers for their contributions to the profession, and also to honor excellence.
"It is a great pleasure to offer my sincere congratulations to the new AMS Fellows, honored for their notable contributions to mathematics and to the profession. We are grateful to the nominators and the members of the selection committee for helping the AMS recognize the achievements of their esteemed colleagues through this fellowship." says AMS President Jill C. Pipher.
Lillian Pierce is recognized for her contributions to number theory and harmonic analysis. To see the names of all the individuals who are in this year's class, visit http://www.ams.org/cgi-bin/fellows/fellows_by_year.cgi.