International Women's Day has been observed on 8 March for more than 100 years, and Women's History Month is celebrated variously in March (Australia, the United Kingdom, and the United States) and October (Canada) for nearly as long. (See some of that history via The Huffington Post .) Women in optics are celebrated year-round in a planner produced by SPIE, the international society for optics and photonics . The 2017 version features comments from 28 women in multidisciplinary fields within science, technology, engineering, and mathematics (STEM), sharing their inspirational stories, crediting influential mentors and role models, and lending valuable advice to others considering careers in STEM. (The planner is distributed at no charge; to get yours, email CustomerService at SPIE.org.) The SPIE 2017 Women in Optics Planner includes comments from women such as Irene Sterian , ReMAP, who advises, "If you are interested in STEM, have passion and dream big. Tak...