Walker to Lonnie Johnson, meet some of the most iconic African American inventors who shaped history. But the long history of racism in the United States has led to many Black inventors being discriminated against or marginalized just because of the color of their skin. For example, Alice Ball was an African American chemist who discovered the first effective treatment for leprosy. But despite the many challenges they faced, these African American inventors broke through barriers and paved the way for later generations of Black thinkers to succeed in America. He also takes Super Soakers to schools to give talks to children, perhaps inspiring some future Black inventors along the way.