Who Is the Inspirational Speaker in This Touching Video?

[Kevin_Axion]

I wish he was alive, what a loss to humanity. At least his words still persist and shine hope for the future:

https://www.youtube.com/watch?v=j2oXFWKpJiA

 

[Evo]

I loved Cosmos.

 

[Taylor36]

Great video to watch...
I really enjoyed watching it..And I agree with you that it was a great loss to humanity..

 

[ashishsinghal]

I loved the video but there is a polite question. Were you talking about Carl Sagan?