Part 2 of 3. David Attenborough recalls the scientists and the breakthroughs that helped shape his career. Included: Austrian scientist Konrad Lorenz, who deduced that goslings would think he was their mother if he was the first thing they saw when they hatched. Attenborough also shares his attempts to make science exciting for viewers, such as standing near an erupting volcano while explaining continental drift, and travels to New Guinea in search of the elusive bird of paradise.

Source: PBS