

N. C. Kierkegaard, portrait of Søren Kierkegaard, pencil drawing c. 1840, photograph held by the Royal Danish Library (ke007311), public domain · Pencil portrait drawing made about 1840 by the draughtsman and lithographer N. C. Kierkegaard (1806-1882), reproduced in a photograph held by the Royal Danish Library (library id ke007311) and shared on Flickr Commons. The scan (940 x 1,294 pixels) was cropped to the drawing and not resampled; nothing was upscaled. No lettering appears on the sheet, so the sitter is identified by the library's title and catalogue description. Caveat: the date of the library's reproduction photograph is not recorded; the basis is the age of the underlying drawing (draughtsman died 1882). · Public domain (drawing c. 1840 by an artist who died in 1882; Royal Danish Library, no known copyright restrictions)
philosopher · 19th Century
Søren Kierkegaard
1813–1855
Known For
Not yet included in personality matching — the documented evidence doesn't yet cover enough of the personality model. Everything else on this page is fully available.
Trait Constellation
Key Achievements
In pseudonymous works published between 1843 and 1846, including Either/Or, Fear and Trembling, Philosophical Fragments, The Concept of Anxiety and Concluding Unscientific Postscript, he examined what it is to exist as an individual; Britannica calls him a major influence on existentialism and Protestant theology in the twentieth century.
He wrote under a series of pseudonyms, each voicing a distinct worldview, and used irony, satire and what he called indirect communication to draw readers into their own engagement with questions of how to live.
In a second run of writing from 1847, including Works of Love and The Sickness Unto Death, he set out the demands of Christian faith, and in 1854-55 he attacked the Danish state church in a pamphlet he founded, The Moment.
Moments That Reveal Them
After the pseudonymous Either/Or appeared in 1843, he insisted that his works continue to be attributed to their pseudonymous authors, who Britannica says are best understood like characters in a novel embodying distinctive worldviews.
This is consistent with an inventive, unconventional approach to authorship. Creative Originality
Spared by the satirical magazine The Corsair, he publicly challenged it, and IEP says it then launched a series of attacks on him; IEP gives vanity as a partial reason alongside his critique of the press.
This is consistent with willingness to start a public confrontation rather than avoid one. Conflict Tolerance
Turning Points
Having meant the 1846 Concluding Unscientific Postscript to end his authorship, he stayed an author instead of becoming a pastor, and SEP describes the years that followed as a second, highly productive period of writing that included Works of Love and The Sickness Unto Death.
This is consistent with sustained, high-volume work as a writer over many years. Discipline
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Opposite Profile
Not a rival — a different profile shape worth a look.

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Sources
- Søren Kierkegaard (Q6512), verified live via the Wikidata API (2026-11-06): label 'Søren Kierkegaard', description 'Danish theologian, philosopher, poet and social critic (1813-1855)', born 5 May 1813, died 11 November 1855, Korean label 쇠렌 키르케고르. Orientation only; not used as support for any row.
- Stanford Encyclopedia of Philosophy, 'Søren Kierkegaard' (Life and Works section and the section on trajectories in Kierkegaard scholarship read in full, about 3,500 words). CANONICAL SIGNIFICANCE SOURCE: gives the two periods of his authorship (Either/Or, Fear and Trembling, Philosophical Fragments, The Concept of Anxiety, Concluding Unscientific Postscript, 1843-46; Works of Love, The Sickness Unto Death, Practice in Christianity, 1847-50), the pseudonymous and signed texts, the Corsair controversy, the 1854-55 attack on the Danish state church in The Moment, and the contrast between Lowrie's devotional and Garff's critical biographies; also reports that Jon Stewart's work shows his Hegel targets were largely Danish Hegelians.
- Internet Encyclopedia of Philosophy, 'Søren Kierkegaard' (introduction, life sections on the early pseudonymous articles, the first authorship and the Corsair read, about 3,500 words). Independent scholarly account listing the range of his authorship (aesthetic novels, psychology, dogmatics, satirical prefaces, literary reviews, edifying discourses, polemics) and a deliberately sceptical reading of motive: says he provoked the Corsair partly out of vanity. Passages on his family and inner life were read but are not used.
- Encyclopaedia Britannica, 'Søren Kierkegaard' (public-web portion read in full, about 2,000 words; the remainder is behind a paywall and was not opened). General-encyclopedia account: major influence on existentialism and Protestant theology, the 1843-46 and 1847-55 periods of writing, the pseudonyms as authors who embody distinctive worldviews, and the Corsair and church collisions.
- Times Higher Education, 'A genius who spat globs of venom', review of Joakim Garff's Søren Kierkegaard: A Biography by John Lippitt (21 October 2005; read in full, about 1,500 words). COUNTER-VOICE: independent critical review that describes his stubbornness as the dark side of his integrity, faults the biography where it speculates, and says the venom of his 1855 attack on the church makes it hard not to sympathise with the pastors; reports a secretary's account of taking dictation from a prolific employer. The reviewer's discussion of speculation on illness is not used.
- The Christian Science Monitor, 'Kierkegaard's tortured faith', review of Garff's biography by Heller McAlpin (1 March 2005; read in full, about 1,700 words). Independent press review: describes him as choosing an iconoclastic, individual path often at odds with the institutions of his day, and as channelling his energies into a voluminous outpouring of polemical prose; sets out his view that truth must be internalised. Remarks on his private life are not used.
- Danish Agency for Culture press release, 'The Original Papers of Søren Kierkegaard in a Unique Exhibition' (Royal Library, Copenhagen, 'The Original Kierkegaard', 23 April to 28 September 2013; read in full, about 250 words). Institutional account of the archive of his papers (UNESCO Memory of the World list, 1997) and a summary of his output: pseudonymous works in layered fictional voices, works under his own name, and the manuscripts showing how his ideas took shape, 'highly productive' in a short life.
- Royal Danish Library (Flickr Commons), 'Søren Kierkegaard (1813-1855)', photograph of a pencil drawing made about 1840 by N. C. Kierkegaard (1806-1882), library id ke007311; holder record read (title, description, 'No known copyright restrictions'). Holder record for the portrait.