David Attenborough through the Ages

Yesterday evening we sat together and watched Blue Planet II, enthralled by David Attenborough once more. I was later thinking what a constant he has been - and thinking back to watching him with my own Gran decades ago.
Today I was hunting for something under my bed and dragged out a school English jotter. Our teacher told us to keep a diary for a week in March 1979, and there I read that
on Tuesday night we watched Life on Earth and it was "very good indeed".
This was a happier discovery than the rather shirty comments like "I have warned you not to write irrelevant introductiins" that I found on other pages.