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Primary sourcePaintingc. 1665

Portrait of Benedictus de Spinoza

Unknown · c. 1665

An anonymous oil painting of about 1665, widely considered the likeness closest to the living philosopher.

This portrait, painted during Spinoza's lifetime, is considered the likeness closest to how he actually looked.

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Oil painting of a man with long dark curly hair, wearing a dark coat and a large white collar, against a dark brown background. He looks toward the viewer with a calm expression.
Unknown artist, Portrait of Benedictus de Spinoza, c. 1665. Herzog August Library.

About this source

What it is

This oil portrait, painted by an unknown artist around 1665, shows a man with long dark curly hair wearing a dark coat and a large white collar. It is held by the Herzog August Library and is widely regarded as the image closest to Spinoza's actual appearance.

Why it matters

Because no confirmed self-portrait or life portrait with a secure attribution survives, this painting has become the standard image used to represent Spinoza in books, articles and classrooms. It shows how later generations have come to picture a thinker who left behind few personal images.

Look closer

  • What does the calm, direct gaze of the sitter suggest about how the artist wanted him to be seen?
  • Why might historians still question whether this portrait truly shows Spinoza, since the artist is unknown?
  • What is missing from a painted portrait that a photograph might capture?

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

More Baruch Spinoza sources

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Title page of Spinoza's Ethica in Latin. Large capital letters read ETHICA, followed by 'Ordine Geometrico demonstrata, ET In quinque Partes distincta, in quibus agitur', then a list of five parts numbered I to V with Latin titles.Book

Primary source

Ethics

Benedictus de Spinoza · 1677 (written 1661-1675)

Title page of the Tractatus Theologico-Politicus, printed in black letter-style serif type with a handwritten inscription 'Auctore Benedicto de Spinoza' and an ornamental woodcut at the bottom, imprint reading Hamburgi, Apud Henricum Kuhrabt, 1670.Book

Primary source

Tractatus Theologico-Politicus

Benedictus de Spinoza · 1670

Title page of a book. At top: 'B. D. S.' Large capitals below read 'OPERA POSTHUMA,' followed by italic Latin text 'Quorum series post Praefationem exhibetur.' A small woodcut ornament of fruit and ribbons sits in the middle, and at the bottom is the date 'MDCLXXVII' written as 'CIO IC CLXXVII' style Roman numerals.Book

Primary source

Opera Posthuma

Benedictus de Spinoza · 1677

Title page of a 1677 book in Latin. Large capitals read EPISTOLAE, followed by DOCTORUM QUORUNDAM VIRORUM, AD B. D. S. ET AUCTORIS RESPONSIONES, and a line about elucidating other works. Faded text from another page shows through in the background.Letter

Primary source

Epistolae, Correspondence of Benedict de Spinoza

Benedictus de Spinoza · 1661-1676, published 1677

Open handwritten manuscript on aged, browned paper with ink text in dense cursive lines across both pages, the left page torn at its upper and lower edges. Text is in Latin script, with bold headings and marginal notes.Document

Primary source

Vatican Manuscript of Spinoza's Ethics

Pieter van Gent (copyist), after Benedictus de Spinoza · c. 1675

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