Prologue (The Man Who Upset the Universe)

From Author Wars - https://authorwars.com/books/prologue-the-man-who-upset-the-universe-982699.html

Overview:

Title: Prologue (The Man Who Upset the Universe)
Author: Isaac Asimov
Year: 1955
Type: Short Fiction
Series: Foundation

Editions/Publications:

Unknown. The Man Who Upset the Universe (Unknown, Isaac Asimov, Ace Books, $0.35, 254 pages, Paperback, Collection)
Unknown. The Man Who Upset the Universe (Unknown, Isaac Asimov, Ace Books, $0.40, 254 pages, Paperback, Collection)