- Ernst Haeckel
name = Ernst Haeckel
image_width = 190px
birth_date = birth date|1834|2|16|mf=y
death_date = death date and age|1919|8|9|1834|2|16|mf=y
nationality = German
Ernst Heinrich Philipp August Haeckel (
February 16, 1834— August 9, 1919), ["Ernst Haeckel - Britannica Concise" (biography), "Encyclopædia Britannica Concise", 2006, Concise. Britannica.com webpage: [http://concise.britannica.com/ebc/article-9366404/Ernst-Haeckel CBritannica-Haeckel] .] also written von Haeckel, was an eminent German biologist, naturalist, philosopher, physician, professorand artistwho discovered, described and named thousands of new species, mapped a genealogicaltree relating all life forms, and coined many terms in biology,including " phylum", " phylogeny", " ecology" and the kingdom " Protista".Haeckel promoted and popularized Charles Darwin's work in Germanyand developed the controversial recapitulation theory("ontogeny recapitulates phylogeny") claiming that an individual organism's biological development, or ontogeny, parallels and summarizes its species' entire evolutionary development, or phylogeny.
The published artwork of Haeckel includes over 100 detailed, multi-colour illustrations of animals and sea creatures (see: "
Kunstformen der Natur", "Artforms of Nature"). As a philosopher, Ernst Haeckel wrote "Die Welträthsel" (1895-1899, in English, "The Riddle of the Universe", 1901), the genesis for the term " world riddle" ("Welträthsel"); and "Freedom in Science and Teaching" ["Freedom in Science and Teaching". German 1877, English 1879, ISBN 1410211754.] to support teaching evolution.
In the United States, "
Mount Haeckel", a convert|13418|ft|m|lk=on|abbr=on summit in the Eastern Sierra Nevada, overlooking the Evolution Basin, is named in his honor, as are another "Mount Haeckel", a convert|2941|m|ft|abbr=on summit in New Zealand; and the asteroid 12323 Häckel.
The Ernst Haeckel house ("Villa Medusa") in
Jena, Germanycontains a historic library.
Ernst Haeckel was born on
February 16, 1834, in Potsdam(then part of Prussia). "Ernst Haeckel" (article), "German Wikipedia", October 26, 2006, webpage: DE-Wiki-Ernst-Haeckel: last paragraph of "Leben" (Life) section.] In 1852, Haeckel completed studies at Cathedral High School ("Domgymnasium") of Merseburg.He then studied medicinein Berlin, particularly with Albert von Kölliker, Franz Leydig, Rudolf Virchow(with whom he later worked briefly as assistant), and with anatomist-physiologist Johannes Peter Müller(1801-1858).In 1857, Haeckel attained a doctoratein medicine( M.D.), and afterwards he received a license to practice medicine. The occupation of physicianappeared less worthwhile to Haeckel, after contact with suffering patients.
Haeckel studied under
Carl Gegenbaurat the University of Jenafor three years, earning a doctorate in zoology, before becoming a professor of comparative anatomyat the University of Jena, where he remained 47 years, from 1862-1909. Between 1859 and 1866, Haeckel worked on many invertebrate groups, including radiolarians, poriferans ( sponges) and annelids (segmented worms). During a trip to the Mediterranean, Haeckel named nearly 150 new species of radiolarians. Haeckel named thousands of new species from 1859 to 1887. " Rudolf Steinerand Ernst Haeckel" (colleagues), Daniel Hindes, 2005, DefendingSteiner.com webpage: [http://www.defendingsteiner.com/articles/rs-haeckel.php Steiner-Haeckel] .]
From 1866 to 1867, Haeckel made an extended journey to the
Canary Islandsand during this period, met with Charles Darwin, in 1866 at Down Housein Kent, Thomas Huxleyand Charles Lyell. In 1867, he married Agnes Huschke. Their son Walter was born in 1868, their daughters Elizabeth in 1871 and Emma in 1873. In 1869, he traveled as a researcher to Norway, in 1871 to Dalmatia, and in 1873 to Egypt, Turkey, and to Greece. Haeckel retired from teaching in 1909, and in 1910 he withdrew from the Evangelical church.Haeckel's wife, Agnes, died in 1915, and Ernst Haeckel became substantially more frail, with a broken leg (thigh) and broken arm. He sold the mansion Medusa ("Villa Medusa") in 1918 to the Carl Zeissfoundation. Ernst Haeckel died on August 9, 1919.
Haeckel's political beliefs were influenced by his affinity for the German Romantic movement coupled with his acceptance of a form of
Lamarckism. Rather than being a strict Darwinian, Haeckel believed that racial characteristics were acquired through interactions with the environment and that phylogenydirectly followed ontogeny. He believed the social sciences to be instances of "applied biology". Most of these arguments have been shown to be over-generalizations at best and flatly incorrect at worst in modern biology and social studies. "Ernst Haeckel" (biography), UC Berkeley, 2004, webpage: [http://www.ucmp.berkeley.edu/history/haeckel.html BerkeleyEdu-Haeckel] .]
"First World War"
Haeckel was the first person known to use the term "First World War". Shortly after the start of the war Haeckel wrote:
Indianapolis Star", September 20, 1914cite book
title=The Yale Book of Quotations
editor=Fred R. Shapiro
Yale University Press
The "European War" became known as "The Great War", and it was not until 1931, with the beginning realization that another global war might be possible, that there is any other recorded use of the term "First World War".
Haeckel was a
zoologist, an accomplished artist and illustrator, and later a professorof comparative anatomy. Although Haeckel's ideas are important to the history of evolutionary theory, and he was a competent invertebrate anatomistmost famous for his work on radiolaria, many speculative concepts that he championed are now considered incorrect. For example, Haeckel described and named hypothetical ancestral microorganisms that have never been found.
He was one of the first to consider
psychologyas a branch of physiology. He also proposed many now ubiquitous terms including " phylum", "phylogeny", " ecology" ("oekologie"), and proposed the kingdom " Protista" in 1866. His chief interests lay in evolutionand life development processes in general, including development of nonrandom form, which culminated in the beautifully illustrated " Kunstformen der Natur" ("Art forms of nature"). Haeckel did not support natural selection, rather believing in a Lamarckian inheritance of acquired characteristics(" Lamarckism"). [ Ruse, M. 1979. "The Darwinian Revolution". Chicago: University of Chicago Press.]
Haeckel advanced the "
recapitulation theory" which proposed a link between ontogeny(development of form) and phylogeny(evolutionary descent), summed up in the phrase "ontogeny recapitulates phylogeny". His concept of recapitulation has been disputed in the form he gave it (now called "strong recapitulation"). "Strong" recapitulation hypothesis views ontogeny as repeating forms of the ancestors, while "weak" recapitulation means that what is repeated (and built upon) is the ancestral embryonic development process. [Richardson and Keuck, (Biol. Review (2002), 77, pp. 495-528) show that it is a simplification to suppose that Haeckel held the recapitualtion theory in its strong form. They quote Haeckel as saying "If [recapitulation] was always complete, it would be a very easy task to construct whole phylogeny on the basis of ontogeny. ... There is certainly, even now, a number of lower vertebarte animals (e.g. some Anthozoa and Vermes) where we are authorised to interpret each embrylogical form directly as the historical representation or portrait-like silhouette of an extinct ancestral form. But in a great majority of animals, including man, this is not possible because the infinitely varied conditions of existence have led the embryonic forms themselves to be changed and to partly lose their original condition (Haeckel, 1903: pp. 435-436)"] He supported the theory with embryo drawingsthat have since been shown to be oversimplified and in part inaccurate, and the theory is now considered an oversimplification of quite complicated relationships. Haeckel introduced the concept of " heterochrony", which is the change in timing of embryonic developmentover the course of evolution.
Haeckel was a flamboyant figure. He sometimes took great (and non-scientific) leaps from available evidence. For example, at the time that Darwin first published "
On the Origin of Species by Means of Natural Selection" (1859), no remains of human ancestors had yet been found. Haeckel postulated that evidence of human evolution would be found in the Dutch East Indies(now Indonesia), and described these theoretical remains in great detail. He even named the as-of-yet unfound species, "Pithecanthropus alalus", and charged his students to go find it. (Richard and Oskar Hertwigwere two of Haeckel's many important students.)
One student did find the remains: a young Dutchman named
Eugene Duboiswent to the East Indiesand dug up the remains of Java Man, the first human ancestral remains ever found. These remains originally carried Haeckel's " Pithecanthropus" label, though they were later reclassified as " Homo erectus".
"Infamous" embryo drawings
It has been claimed (Richardson 1998, Richardson and Keuck 2002) that some of Haeckel's
embryo drawingsof 1874 were fabricated. [ Michael K. Richardson. 1998. "Haeckel's embryos continued." "Science" 281:1289, quoted in NaturalScience.com webpage [http://naturalscience.com/ns/letters/ns_let17.html Re: "Ontogeny and phylogeny"] : A Letter from Richard Bassetti; Editor's note.] ["While some criticisms of the drawings are legitimate, others are more tenditious", Richardson and Keuck "Haeckel's ABC of evolution and development"," Biol. Rev." (2002), 77, pp. 495-528. Quoted from p. 495.] There were multiple versions of the embryo drawings, and Haeckel rejected the claims of fraud but did admit one error which he corrected. It was later said that "there is evidence of sleight of hand" on both sides of the feud between Haeckel and Wilhelm His, Sr.. [Richardson & Keuck 2001. See for example, their Fig. 7, showing His's drawing of the forelimb of a deer embryo developing a clef, compared with a similar drawing (Sakurai, 1906) showing the forelimb initially developing as a digital plate with rays. Richardson & Keuck say "Unfortunately His's embryos are mostly at later stages than the nearly identical early stage embryos illustrated by Haeckel [top row of Haeckel's famous drawing] . Thus they do not inform the debate and may themselves be disingenuous.", p. 518.] The controversy involves several different issues (see more details at: recapitulation theory).
creationistshave claimed that Darwin relied on Haeckel's embryo drawings as proof of evolution ["Darwin relied on the work of German biologist Ernst Haeckel ... Darwin based his inference of common ancestry on the belief that the earliest stages of embryo development are the most similar. Haeckel's drawings, however, entirely omit the earliest stages ...", Jonathan Wells, Survival of the Fakest, "The American Spectator", Dec 2000-Jan 2001. Note however, Darwin (1871) credits Huxley with the idea of comparing the embryos and quoted a statement by T. Huxley, that it is "quite in the later stages of development that the young human being presents marked differences from the young ape ..." (from Huxley's Man’s Place in Nature, 1863, p. 67). Note the subtle difference between Huxley’s claim – the final stages are most different - and what has been said Darwin relied on "via" Haeckel – that the earliest stages are the most similar.] [ "The Controversy over Evolution in Biology Textbooks" (Texas, Textbooks and Evolution), Dr. Raymond G. Bohlin (President), Probe Ministries, 2003, Probe.org webpage: [http://www.probe.org/content/view/902/67/ ProbeOrg-Textbook-Controversy] : mentions Haeckel drawings.] "Haeckel's embryos" (of drawings, with detailed quotes by Haeckel & others), Tony Britain, 2001, AntiEvolution.org webpage: [http://www.antievolution.org/topics/law/ar_hb2548/Haeckels_embryos.htm AE-myths] .] to support their argument that Darwin's theory is therefore illegitimate and possibly fraudulent. This claim ignores the fact that Darwin published " On the Origin of Species" in 1859, and "The Descent of Man" in 1871, whereas Haeckel's famous embryo drawings did not appear until 1874 (8 species). In "The Descent of Man" Darwin used only two embryo drawings, neither taken from Haeckel. [Darwin's footnote to Fig. 1 in "The Descent of Man" (1871) reads "The human embryo (upper fig.) is from Ecker, 'Icones Phys.,' 1851–1859, tab. xxx. fig. 2. This embryo was ten lines in length, so that the drawing is much magnified. The embryo of the dog is from Bischoff, 'Entwicklungsgeschichte des Hunde-Eies,' 1845, tab. xi. fig. 42 B. This drawing is five times magnified, the embryo being 25 days old. The internal viscera have been omitted, and the uterine appendages in both drawings removed. I was directed to these figures by Prof. Huxley, from whose work, 'Man's Place in Nature,' the idea of giving them was taken. Häckel has also given analogous drawings in his 'Schöpfungsgeschichte.' " Note that Darwin mentions the scale of his drawings, whereas Haeckel has been charged with making all his embryos the same size as a deceptive move. Similarly Darwin mentions what is missing (internal viscera and uterine appendages), whereas Haeckel did not. ] [cite web |url=http://darwin.bc.asu.edu/pub/pickett.pdf |title=Iconoclasts of Evolution: Haeckel, Behe, Wells and the Ontogeny of a Fraud |accessdate=2007-11-15 |author=Kurt M. Pickett |coauthors=John W. Wenzel and Steven W. Rissing |month=May | year=2005 |publisher= The American Biology Teacher|format=PDF, text available at [http://www.talkreason.org/articles/fraud.cfm Talk Reason] .]
It has been claimed that Ernst Haeckel sent a letter to the
January 9 1909publication of "Münchener Allgemeine Zeitung" (translated: "Munich General Newspaper") which reads, as translated: "A small portion of my embryo-pictures (possibly 6 or 8 in a hundred) are really (in Dr Brass’s sense of the word) 'falsified' — all those, namely, in which the disclosed material for inspection is so incomplete or insufficient that one is compelled in a restoration of a connected development series to fill up the gaps through hypotheses, and to reconstruct the missing members through comparative syntheses. What difficulties this task encounters, and how easily the drafts--man may blunder in it, the embryologist alone can judge."
Darwin’s 1859 book "
On the Origin of Species" had immense popular influence, but although its sales exceeded its publisher's hopes it was a technical book rather than a work of popular science: long, difficult and with few illustrations. One of Haeckel's books did a great deal to explain his version of " Darwinism" to the world. It was a bestselling, provocatively illustrated book in German, titled "Natürliche Schöpfungsgeschichte", published in Berlin in 1868, and translated into English as "The History of Creation" in 1876. It was frequently reprinted until 1926.
Haeckel argued that human evolution consisted of precisely 22 phases, the 21st — the "missing link" — being a halfway step between apes and humans. He even formally named this missing link "Pithecanthropus alalus", translated as "ape man without speech." (The missing link was what the Dutchman
Eugène Dubois, discoverer of Homo erectus, would later resolve to find.)Fact|date=August 2008
Haeckel's entire literary output was extensive, working as a professor at the
University of Jenafor 47 years, and even at the time of the celebration of his 60th birthday at Jenain 1894, Haeckel had produced 42 works with nearly 13,000 pages, besides numerous scientific memoirs and illustrations. "Biography of Ernst Heinrich Haeckel, 1834-1919" (article), Missouri Association for Creation, Inc., based on 1911 Britannica, webpage: [http://www.gennet.org/facts/haeckel.html Gennet-Haeckel] : life, career & beliefs.]
*"Calcareous Sponges" (1872)As well as several "Challenger" reports:
*"Deep-Sea Medusae" (1881)
*"Deep-Sea Keratosa" (1889)
*"Radiolaria" (1887)- illustrated with 140 plates and enumerating over four thousand (4000) new species.
Among his many books, Ernst Haeckel wrote:
*"General Morphology" (1866)
*"Natürliche Schöpfungsgeschichte" (1868) - in English [http://www.geology.19thcenturyscience.org/books/1876-Haeckel-HistCrea/Vol-I/htm/doc.html "The History of Creation"]
*"Freie Wissenschaft und freie Lehre" (1877), in English, "Freedom in Science and Teaching", a reply to a speech in which
Virchowobjected to the teaching of evolutionin schools, on the grounds that evolution was an unproven hypothesis.
*"Die systematische Phylogenie" (1894) - "Systematic Phylogeny", which has been considered as his best book
*"Anthropogenie" (1874, 5th and enlarged edition 1903) - dealing with the evolution of man
*"Die Welträthsel" (1895-1899), also spelled "Die Welträtsel" ("world-riddle") - in English "The Riddle of the Universe", 1901
*"Über unsere gegenwärtige Kenntnis vom Ursprung des Menschen" (1898) - translated into English as "The Last Link", 1808
*"Der Kampf um den Entwickelungsgedanken" (1905) - English version, "Last Words on Evolution", 1906
*"Die Lebenswunder" (1904) - English "Wonder of Life", a supplement to the "Riddle of the Universe"
Books of travel:
*"Indische Reisebriefe" (1882) - "Travel notes of
*"Aus Insulinde: Malayische Reisebriefe" (1901) - "Travel notes of
Malaysia"), the fruits of journeys to Ceylonand to Java
Kunstformen der Natur" (1904) - "Artforms of Nature", with plates representing detailed marine animal forms
*"Wanderbilder" (1905) - "Travel Images", with reproductions of his oil-paintings and water-color landscapes.
Alfred Ploetz- on eugenicsand racial hygiene.
Alternative taxonomical classification
List of wildlife artists
author = Charles Darwin
year = 1859
title = On the Origin of Species (by Means of Natural Selection)
publisher = John Murray
location = London
author = Charles Darwin
year = 2003 edition
title = The Origin of Species (with introduction by
publisher = Signet Classics
id = ISBN 0-451-52906-5
* Ernst Haeckel, "Freedom in Science and Teaching" (1879), reprint edition, University Press of the Pacific, February 2004, paperback, 156 pages, ISBN 1-4102-1175-4.
* Ernst Haeckel, "The History of Creation" (1868), translated by E. Ray Lankester, Kegan Paul, Trench & Co.,
London, 1883, 3rd edition, Volume 1.
* Ernst Haeckel, "
Kunstformen der Natur" "("Artforms of Nature")", 1904, (from series published 1899-1904): over 100 detailed, multi-color illustrations of animals and sea creatures.
* Ernst Haeckel, "The Riddle of the Universe" ("Die Weltraetsel", 1895-1899), Publisher: Prometheus Books,
Buffalo, NY, 1992, reprint edition, paperback, 405 pages, illustrated, ISBN 0-87975-746-9.
* Richard Milner, "The Encyclopedia of Evolution: Humanity's Search for Its Origins", Henry Holt, 1993.
* Robert J. Richards, "The Tragic Sense of Life: Ernst Haeckel and the Struggle over Evolutionary Thought", University of Chicago Press, 2008.
* Michael K. Richardson, "Haeckel's embryos continued" (article), "Science" Volume 281:1289, 1998.
* Richardson, M. K. & Keuck, G. (2001) "A question of intent: when is a 'schematic' illustration a fraud?," "Nature" 410:144 (vol. 410, no. 6825, page 144),
March 8, 2001.
* Richardson, M. K. & Keuck, G. (2002) " [http://www.journals.cambridge.org/action/displayAbstract?fromPage=online&aid=135297 Haeckel's ABC of evolution and development] " Biological Reviews (2002), 77: 495-528
* M. Ruse, "The Darwinian Revolution".
Chicago: University of ChicagoPress, 1979.
* "Art Forms from the Ocean: The Radiolarian Atlas of 1862", by Ernst Haeckel, Prestel Verlag, 2005, ISBN 3-7913-3327-5.
* Richardson, Michael K., "Haeckel, embryos, and evolution," "Science" Vol. 280, no. 5366 (May 15, 1998) p. 983, 985-986.
* [http://www.mblwhoilibrary.org/haeckel/index.html Marine Biological Laboratory Library] - An exhibition of material on Haeckel, including background on many "Kunstformen der Natur" plates
* [http://www.ucmp.berkeley.edu/history/haeckel.html University of California, Berkeley] - Ernst Haeckel biography
* [http://www.slate.com/id/2124625/ Ernst Haeckel – Evolution's controversial artist.] A slide-show essay about Ernst Haeckel.
* "", Wikimedia Commons: over 100 detailed animal drawings.
* [http://www.zum.de/stueber/haeckel/kunstformen/natur.html "Kunstformen der Natur", scanned] (from [http://www.biolib.de/ biolib.de] Stuebers Online Library)
* [http://draves.org/pix/kdn/ PNG alpha-transparencies of Haeckel's "Kustformen der natur"]
* [http://www.nightfirefilms.org/proteus_home.html Proteus] - An animated documentary film on the life and work of Ernst Haeckel
* [http://www2.uni-jena.de/biologie/ehh/haeckel.htm Ernst Haeckel Haus] and Ernst Haeckel Museum in
NAME=Haeckel, Ernst Heinrich Philipp August
ALTERNATIVE NAMES=von Haeckel, Ernst Heinrich Philipp August; Haeckel, Ernst Heinrich Philipp August von
SHORT DESCRIPTION=German biologist and philosopher
DATE OF BIRTH=birth date|1834|2|16|mf=y
PLACE OF BIRTH=
DATE OF DEATH=death date|1919|8|9|mf=y
PLACE OF DEATH=
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