Renowned broadcaster and naturalist Sir David Attenborough is celebrating his 100th birthday. Still active in making wildlife documentaries, he is widely regarded as a national treasure in Britain.

He was born before the Great Depression, came of age in WWII, and is still making wildlife documentaries. Brits call him a national hero. David Attenborough celebrates his 100th birthday on May 8. <p>He was born before the Great Depression, came of age in WWII, and is still making wildlife documentaries. Brits call him a national hero. David Attenborough celebrates his 100th birthday on May 8.</p><img src="https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=nx-s1-5802305" />