Sir David Attenborough is an 87-year-old British broadcaster and naturalist whose documentary career has spanned over 60 years working with the BBC, where he has written and presented numerous nature documentaries, most notably the ten-part "Life" series. He is the only person to have won a BAFTA award in black and white, color, HD, and 3D formats, and has been praised as a great communicator and educator and the greatest broadcaster of his time.