Uploaded November 2011 | Updated September 2026, 2 days ago

---

A brilliant video created by Lefayad1991

Today marks the birthday of one of my personal heroes and one of the most thought provoking people of the 20th century. Carl Sagan was arguably one of the greatest humanists of recent history and he was taken from us much too early.

This is for you Carl

The Youtubers featured in this video (In order of appearance):

youtube.com/dprjones
youtube.com/MsScienceFTW
youtube.com/pointmanzero
youtube.com/csbair
youtube.com/FearBlandness
youtube.com/SoundofScilence
youtube.com/TheLivingDinosaur
youtube.com/jrchadwick
youtube.com/CollinMaessen
youtube.com/AngryWomble
youtube.com/ChattiestSpike2
youtube.com/lefayad1991