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Cover of The Rigor of Angels: Borges, Heisenberg, Kant, and the Ultimate Nature of Reality by William Egginton

The Rigor of Angels: Borges, Heisenberg, Kant, and the Ultimate Nature of Reality

William Egginton
— 2023 —
“
William Egginton interweaves the lives of Werner Heisenberg, Immanuel Kant, and Jorge Luis Borges with accounts of quantum uncertainty, the antinomies of pure reason, and Borges's fictions of labyrinths and infinite libraries.

Decide its fate

The record

  • Time

    An eveningA season

    368 pages, about 7 hours: the length of 1.1 typical books on the shelf.

  • Getting in

    Walk right inSteep climb

    In 1927, Charles Lindbergh crosses the Atlantic as Heisenberg works on quantum theory in Copenhagen.

  • One of a kind

    Others do thisNothing else does

    Philosophy Now names Benjamín Labatut’s When We Cease to Understand the World, on the shelf at 192 pages, among recent books on Heisenberg.

The case for it

  • on the quantum physics

    “most lucid and enjoyable introductions to the dizzying world of twentieth century physics”

    Leonid Bilmes · Philosophy Now, 2024
  • on the life stories

    “The book’s complex ideas are interspersed with memorable anecdotes about its subjects’ personal lives”

    Kevin Canfield · World Literature Today, 2024
  • on Einstein versus Heisenberg

    “Egginton captures the tension of the back and forth confrontation between Einstein and his allies”

    Walter Cummins · California Review of Books, 2023
  • on the supporting cast

    “The likes of Zeno, Boethius, and Leibniz all crop up, though never needlessly”

    Colm McKenna · The Irish Times, 2024

The case against

  • on the biographical passages

    “these passages, although lucid and well written, arrived as unwelcome distractions”

    Meghan O’Gieblyn · The New York Review of Books, 2024
  • on the Kant portrait

    “flawed by the apparent assumption of the brilliance of all Kant’s words”

    Martin Cohen · The Philosopher, 2023
  • on the physics sections

    “parts of the book, particularly the deeply scientific, were beyond me”

    a book blog
  • on the quantum parallel

    “I always have mixed feelings about this particular connection to quantum mechanics”

    Sean Carroll · Mindscape podcast, 2023

Time is counted from its page count. Getting in and One of a kind apply written rules to what reviewers report. Quotes were checked on their pages on 29 September 2026. Loved, Disliked and Staying power appear once enough readers here have finished the book.

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