Meet the Expert: Laurie Wallmark, computer scientist and children’s author   Award-winning author Laurie Wallmark is a former software engineer and computer science professor. She writes picture book biographies of women in STEM (science, technology, engineering, and math) as well as fiction. Her books have earned five starred trade reviews, been chosen as Junior Library Guild Selections, and… Continue Reading Episode 102: How Can YOU Be a Codebreaker?