Sir David Attenborough turned 100 years old on Friday, with people across the globe sending him their well-wishes. He was also honoured with a wasp. A beloved natural historian, conservationist, and broadcaster, Attenborough has educated millions about the wonders of the natural world across a career spanning over 70 years. Since joining the BBC in the early 1950s, Attenborough has presented a slew of well-received documentary programs such as Planet Earth , Blue Planet , and Extinction: The Facts . To many, his recognisable voice is synonymous with the majestic beauty of nature.  Attenborough has regularly worked behind the camera as well, writing and producing numerous documentaries capturing the amazing world around us.…