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Signature of Immanuel Kant

Immanuel Kant

The handwritten signature of Immanuel Kant, used to verify his authorship of letters and documents.

This is Kant's own signature, used to authenticate documents he personally signed.

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Black ink handwritten signature on white background, with a large looping flourish on the left and the word-like cursive script 'Kant' written to the right.
Signature of Immanuel Kant, German Enlightenment philosopher.

About this source

What it is

This is an autograph signature of Immanuel Kant, the German Enlightenment philosopher, showing his handwriting with a looping flourish and the cursive name 'Kant'.

Why it matters

Signatures like this help historians confirm that a letter or document was genuinely written by Kant himself, rather than copied or forged by someone else.

Look closer

  • What does the style of the handwriting suggest about how Kant wrote?
  • Why might a signature be important evidence for historians studying old documents?

This artifact is part of the curated material that grounds the AI version of Immanuel Kant on Humy.ai — when students ask about related events, the AI can quote it and cite it.

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Title page of the 1781 first edition of Kant's Critique of Pure Reason. Blackletter title reads Critik der reinen Vernunft, von Immanuel Kant, Professor in Königsberg. Below: Riga, verlegts Johann Friedrich Hartknoch, 1781, with a floral wreath ornament.Book

Primary source

Critique of Pure Reason

Immanuel Kant · 1781 (revised 1787)

Printed page in German blackletter type headed 'Beantwortung der Frage: Was ist Aufklärung?' with the opening lines of Kant's essay, beginning 'Aufklärung ist der Ausgang des Menschen aus seiner selbst verschuldeten Unmündigkeit.' Page footer reads '2ter Band'.Book

Primary source

Answering the Question: What Is Enlightenment?

Immanuel Kant · 1784

Title page of Kant's Grundlegung zur Metaphysik der Sitten, printed in black Fraktur blackletter: 'Grundlegung zur Metaphysik der Sitten, von Immanuel Kant', with a decorative rococo ornament, a rule, and 'Riga, bey Johann Friedrich Hartknoch 1785' on a cream page.Book

Primary source

Groundwork of the Metaphysic of Morals

Immanuel Kant · 1785

Title page of Kant's 'Zum ewigen Frieden' printed in black Fraktur type. Text reads 'Zum ewigen Frieden. Ein philosophischer Entwurf von Immanuel Kant', with publication line 'Königsberg, bey Friedrich Nicolovius, 1795' at the bottom.Book

Primary source

Perpetual Peace: A Philosophical Sketch

Immanuel Kant · 1795

Title page of the 1788 German edition of Kant's Critique of Practical Reason: 'Critik der practischen Vernunft von Immanuel Kant', with a floral wreath ornament, 'Riga, bey Johann Friedrich Hartknoch 1788', and a purple library stamp at bottom right.Book

Primary source

Critique of Practical Reason

Immanuel Kant · 1788 (completed 1787)

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