Description In the past and present, Black people have developed new products and created new processes in STEM (science, technology, engineering, and mathematics). Their work has addressed problems such as medical and healthcare inequality and the negative impacts of climate change. Celebrate the people who have made great achievements in STEM, including PlayVS founder Delane Parnell, astronaut, doctor, and engineer Mae Jemison, and environmental justice leader Peggy Shephard.