Containing Matters into which Realism is Introduced.

Timestamps:

Anderson background, non-spoiler discussion (0:00)

spoiler plot summary and discussion (19:38)

Bibliography:

Martin, Douglas - "Poul Anderson, Science Fiction Novelist, Dies at 74". The New York Times, August 3, 2001

Nevala-Lee, Alec - "Astounding: John W. Campbell, Isaac Asimov, Robert A. Heinlein, L. Ron Hubbard, and the Golden Age of Science Fiction" (2018)

Shippey, Tom - "Science Fiction and the Idea of History" in "Hard Reading: Learning from Science Fiction" (2016)