This Science Buddies article on Hispanic Scientists and Engineers, honors National Hispanic Heritage Month, by highlighting 26 scientists and engineers who have made significant contributions to STEM (Science, Technology, Engineering, Mathematics).  Aiming to encourage students to learn more about these scientists and to explore related science projects and careers for scientists they find interesting, it includes a short biography on each scientist, links to 1-2 hands-on science projects related to the scientist’s area of study, links to relevant science career profiles, and a link to a biography.