20 great personalities who have made the world better. Santini G.

This book will talk about 20 famous scientists, inventors and innovators, thanks to whose activity the world has become the way we know it today. Who first passed the radio signal a huge distance? Which woman-research is nicknamed the queen of the sun and why? Thanks to whose discovery did the cinema arise? Who and how did you manage to create a medicine against a dangerous disease, combining scientific knowledge with traditional medicine? The encyclopedia will answer these and many other questions about unusual people who have managed to change the world.