Ernst Heinrich Philipp August Haeckel (German: [ɛʁnst ˈhɛkl̩]; 16 February 1834 – 9 August 1919) was a German zoologist, naturalist, eugenicist, philosopher...

biogenetic law or embryological parallelism—often expressed using Ernst Haeckel's phrase "ontogeny recapitulates phylogeny"—is an historical hypothesis...

been a source of quite some controversy, both now and in the past. Ernst Haeckel at the University of Basel pioneered in this field. By comparing different...

in the bosom of the mystical body of Christ". The term was used by Ernst Haeckel in his book The Wonders of Life where (p. 342) the phronema is the name...

Challenger expedition, various species of siphonophores were collected. Ernst Haeckel attempted to conduct a write up of all of the species of siphonophores...

as seven castes. Like most of Darwin's supporters,[citation needed] Ernst Haeckel (1834–1919) put forward a doctrine of evolutionary polygenism based...

Four-kingdom system. The taxon Monera was first proposed as a phylum by Ernst Haeckel in 1866. Subsequently, the phylum was elevated to the rank of kingdom...

Ernst Haeckel, a.k.a. Häckel (5 April 1890 in Gemünden am Main – 26 September 1967) was a German general who was awarded the Knights Cross of the Iron...

the evolutionary relationships of species through time was coined by Ernst Haeckel, who went further than Darwin in proposing phylogenic histories of life...

Nature) is a book of lithographic and halftone prints by German biologist Ernst Haeckel. Originally published in sets of ten between 1899 and 1904 and collectively...

precursor concept. 1866, Ernst Haeckel, first publishes his phylogeny-based evolutionary tree, precursor concept. Haeckel introduces the now-disproved...

Welträthsel in several of his writings) and with the biologist-philosopher Ernst Haeckel, who, as a professor of zoology at the University of Jena, wrote the...

Cuvier, Étienne Geoffroy Saint-Hilaire, Richard Owen, Carl Gegenbaur and Ernst Haeckel. In 1830, Cuvier and E.G.Saint-Hilaire engaged in a famous debate, which...

which Jean-Baptiste Lamarck expanded into 14 phyla by 1809. In 1874, Ernst Haeckel divided the animal kingdom into the multicellular Metazoa (now synonymous...

subcontinent but not in continental Africa or the Middle East. Biologist Ernst Haeckel's suggestion in 1870 that Lemuria could be the ancestral home of humans...

production. The term ontogeny was coined by Ernst Haeckel, a German zoologist and evolutionist in the 1860s. Haeckel, born in Germany on February 16, 1834,...

ecology (German: Ökologie) was coined in 1866 by the German scientist Ernst Haeckel. The science of ecology as we know it today began with a group of American...

Gegenbaur, Ernst Haeckel and others publishing detailed theories at the time of Darwin's "Origin of Species" (1858). The later fame of Ernst Haeckel eclipsed...

German archivist, naturalist, philosopher, professor and a student of Ernst Haeckel. Schmidt was born in Heubach in the German State of Thuringia. From...

of Ernst Haeckel, and says that, if he still wishes to revive his wife afterwards, she will do as he asks. The story mainly concerns Ernst Haeckel (Derek...

self-improvement which could be inherited. A proponent in Germany was Ernst Haeckel, who popularized Darwin's thought and his personal interpretation of...

the timing of embryonic development), which had been neglected since Ernst Haeckel's theory that ontogeny recapitulates phylogeny had been largely discredited...

Holothuriidae Burmeister, 1837 family Mesothuriidae Smirnov, 2012 order Molpadida Haeckel, 1896 family Caudinidae Heding, 1931 family Eupyrgidae Semper, 1867 family...

articulata (including insects and annelids) and zoophytes or radiata. Ernst Haeckel, in his 1866 Generelle Morphologie der Organismen, asserted that all...

that existence has no telos - no final cause from purposeful design. Ernst Haeckel (1834-1919) invented and popularized the term dysteleology (German:...

extensive correspondence with Germany's most outspoken popular Darwinist, Ernst Haeckel. Die Naturgeschichte der Gespenster. Physikalisch-physiologisch-psychologische...

swim) through a water column. The term was proposed by German biologist Ernst Haeckel to differentiate between the active swimmers in a body of water, and...

anti-Darwinist, he called Charles Darwin an "ignoramus" and his own student Ernst Haeckel a "fool". He described the original specimen of Neanderthal man as nothing...

formulate the concept of a minimal surface. The German biologist and artist Ernst Haeckel painted hundreds of marine organisms to emphasise their symmetry. Scottish...

retained Regnum Lapideum as a fourth kingdom of minerals. In 1866, Ernst Haeckel also proposed a third kingdom of life, the Protista, for "neutral organisms"...