Anyone?

I suspect even Edgar Froese doesn't know.

"An actress from Berlin" - page 52 of this article about Tangerine Dream from January 1982:

http://www.modulator-esp.co.uk/docum..._EMandM_01.htm

Here's a video of the tune - don't know if this woman does the voice over on the album track though:

https://www.youtube.com/watch?v=jGMvD7yO7Mg