Description: In January 1926, Science Service took a chance on smart, plucky Hallie Jenkins, hiring the 27-year-old as their sales representative. During the following months, Jenkins traveled on her own throughout the Midwest, selling science to newspapers large and small. By the end of the year, she become the organization’s sales and advertising manager.
Description: Retired geologist Dr. Ursula B. Marvin, Smithsonian Astrophysical Observatory, studied lunar samples from the Apollo missions, and meteorites around the world. She has both an asteroid and a mountain ridge in the Antarctic ice named after her. #Groundbreaker