Cosmos: A Personal Voyage backdrop
Cosmos: A Personal Voyage S1E13 — Who Speaks for Earth?
9.0
Cosmos: A Personal Voyage•Season 1•Episode 13

Who Speaks for Earth?

9.0/10 · 611 votesDec 21, 198060 min

Ranked #5 of 13 in Season 1•+0.1 vs season avg

Discussion

Through the use of special effects we retrace the 15-billion-year journey from the big bang to the present. We also hear the tragic story of the martyrdom of Hypatia, the woman scientist of ancient Alexandria. This is the famous episode on nuclear war in which Dr.

Directed byAdrian Malone, Richard Wells, David F. Oyster, Rob McCain
Written byCarl Sagan, Ann Druyan
Previous episodeE12 · Encyclopedia Galactica
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons1

All1

Season 1 Episodes13

The Shores of the Cosmic Ocean stillE1 8.9

The Shores of the Cosmic Ocean

One Voice in the Cosmic Fugue stillE2 9.0

One Voice in the Cosmic Fugue

Harmony of the Worlds stillE3 8.8

Harmony of the Worlds

Heaven and Hell stillE4 8.9

Heaven and Hell

Blues for a Red Planet stillE5 8.9

Blues for a Red Planet

Travellers' Tales stillE6 8.8

Travellers' Tales

The Backbone of Night stillE7 8.8

The Backbone of Night

Journeys in Space and Time stillE8 9.1

Journeys in Space and Time

The Lives of the Stars stillE9 9.0

The Lives of the Stars

The Edge of Forever stillE10 9.0

The Edge of Forever

The Persistence of Memory stillE11 8.7

The Persistence of Memory

Encyclopedia Galactica stillE12 8.9

Encyclopedia Galactica

Who Speaks for Earth? stillE13 9.0Now viewing

Who Speaks for Earth?

Cast1

Carl Sagan

Carl Sagan

Self - Host

Crew6

Carl Sagan

Carl Sagan

Writer

A

Adrian Malone

Director

Ann Druyan

Ann Druyan

Writer

R

Richard Wells

Director

D

David F. Oyster

Director

R

Rob McCain

Director

Discussion

0 comments

Join the conversation

Share your take and reply to other fans.

No comments yet

Be the first to share your thoughts on this episode.

Episode Summary

"Who Speaks for Earth?" is episode 13 of Cosmos: A Personal Voyage season 1. It scored 9.0/10 from 611 votes, ranking #5 of 13 episodes this season (season average 8.9). Directed by Adrian Malone, Richard Wells, David F. Oyster, Rob McCain and written by Carl Sagan, Ann Druyan, it aired on December 21, 1980.

Best episodes of Cosmos: A Personal VoyageBest of Season 1