Computer Engineer Ruchi Sanghvi Paperback Laura Hamilton Waxman

NASA Mathematician Katherine Johnson (Stem Trailblazer Bios) - VERY GOOD

NASA Mathematician Katherine Johnson (Stem Trailblazer Bios) - Paperback - GOOD

Computer Engineer Ruchi Sanghvi (St..., Waxman, Laura H

Environmental Activist Wangari Maathai (STEM Trailblazer Bios) - GOOD

Inventor, Engineer, and Physicist Nikola Tesla (Stem Trailblazer Bios) - GOOD

SpaceX and Tesla Motors Engineer Elon Musk (STEM Trailblazer Bios)