Planes, trains, and penicillin... plastics, lasers, computers and the World Wide Web - collectively, they stand as the greatest set of innovations to grace the last hundred years, fundamentally improving how we communicate, travel, heal and explore our world.

'Greatest Inventors' is a two part special that profiles the geniuses who produced these and other remarkable inventions and discusses the impact of their creations on our global community. Using vintage footage and clips, 'Greatest Inventors' tells the story of these dedicated researchers who worked against adversity to realise their dreams.