Video Source: View

Added: 2017-02-21 10:30:00 (GMT)

Category: People & Blogs

Keywords: black inventors documentary,black inventors in history,black inventors of the 20th and 21st century,black inventors poster,black inventors for kids,black inventors and their inventions,black inventors and inventions,black inventors of america,black inventors and their patents,famous black inventors,black scientists and inventors

Location: Building 132, Brooklyn, NY 11205, USA