A collection of profiles of children and young adults whose scientific inventions made an impact on the world.

The boy who dreamed of Mars (Robert Goddard) -- The girl who named Pluto (Clyde Tombaugh / Venetia Burney ) -- The bookworm who became a science fiction writer (Isaac Asimov) -- The teenager who invented television (Philo Farnsworth) -- The curious girl who discovered sea-monster skeletons (Mary Anning) -- The high schooler who created an incredible secret code (Sarah Flannery) -- The math whiz who calculated the movement of the Moon (Truman Henry Safford) -- The fourth-grader who outsmarted medical experts (Emily Rosa) -- The blind boy who developed a new way to see (Louis Braille).