World-changing inventions have revolutionized the way we live our lives today. In the past 300 years, mankind's ingenuity has seen the human race leap through the Industrial Revolution and soar into a scientific era of breakthroughs and discoveries. Radio, central heating, toilets - these are but some of the countless inventions that have transformed our lives. Who made these discoveries? And what led them to their breakthroughs? Meet the brilliant, eccentric, and occasionally erratic minds behind these inventions that show you don't need to be the smartest person in the room - just the most passionate!