U.S. Commerce Dept. @CommerceGov
Congratulations to Callie I. Higgins, a materials research engineer @NIST, & winner of the Samuel J. Heyman Service to America Medal in the Emerging Leaders category! Medalists are chosen based on their leadership and innovation. Learn more: https://t.co/bWLkLym3ti https://t.co/EzOTi7OtrI — PolitiTweet.org