• Thumbnail for Gerhard Heilmann
    Gerhard Heilmann (later sometimes spelt "Heilman") (25 June 1859 – 26 March 1946) was a Danish artist and paleontologist who created artistic depictions...
    11 KB (1,366 words) - 05:55, 9 August 2024
  • other countries than France and Germany : Gerhard Heilmann, Danish artist and paleontologist. Harry Heilmann, American baseball player [issued from a 17th-century...
    2 KB (304 words) - 00:39, 6 November 2021
  • of Birds is an early synopsis of bird evolution written in 1926 by Gerhard Heilmann, a Danish artist and amateur zoologist. The book was born from a series...
    48 KB (6,042 words) - 11:53, 31 August 2024
  • proposed by Thomas Henry Huxley in the 1860s, but was dismissed by Gerhard Heilmann in his influential book The Origin of Birds (1926). Prior to Ostrom's...
    36 KB (3,568 words) - 14:10, 5 July 2024
  • Thumbnail for Paleoart
    Prehistoric World"). One of Harder's contemporaries, Danish paleontologist Gerhard Heilmann, produced a large number of sketches and ink drawings related to Archaeopteryx...
    69 KB (8,379 words) - 07:07, 5 September 2024
  • Thumbnail for Robert Hutzen Stamm
    nature conservation. Stamm assisted Gerhard Heilmann in his paleontological work but he did not like Heilmann's attacks on professional zoologists. Blangstrup...
    2 KB (217 words) - 12:48, 8 September 2024
  • Thumbnail for Origin of birds
    early twentieth century with the writings of Gerhard Heilmann of Denmark. An artist by trade, Heilmann had a scholarly interest in birds and from 1913...
    113 KB (11,944 words) - 12:34, 8 August 2024
  • Thumbnail for Proavis
    "Tetrapteryx", as imagined by William Beebe (1915). Gerhard Heilmann's arboreal vision of Proavis (1916). Heilmann's hypothetical illustration of a pair of fighting...
    9 KB (1,172 words) - 11:22, 5 September 2024
  • Thumbnail for Dinosaur renaissance
    the "first bird"—Archaeopteryx—and modern birds. However, in 1926, Gerhard Heilmann wrote his influential book The Origin of Birds, in which he dismissed...
    20 KB (2,259 words) - 21:00, 27 March 2024
  • Thumbnail for Hypsilophodon
    researcher Gerhard Heilmann who in 1916 proposed that a quadrupedal Hypsilophodon lived like the modern tree-kangaroo Dendrolagus. In 1926 Heilmann had again...
    37 KB (4,281 words) - 09:26, 19 July 2024