Karol Sabath was a Polish

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 biologist

Biologist

A biologist is a scientist devoted to and producing results in biology through the study of life. Typically biologists study organisms and their relationship to their environment. Biologists involved in basic research attempt to discover underlying mechanisms that govern how organisms work...

, paleontologist and paleoartist.
He was employed by the Instytut Paleobiologii of the Polska Akademia Nauk  - Institute of Paleobiology, Polish Academy of Sciences, Warsaw

Warsaw

Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...

. He also worked for National Geographic magazine, the Museum of the Polish Geological Institute, the European edition of Scientific American

Scientific American

Scientific American is a popular science magazine. It is notable for its long history of presenting science monthly to an educated but not necessarily scientific public, through its careful attention to the clarity of its text as well as the quality of its specially commissioned color graphics...

, and various other publishing houses in Poland.
He authored many popular-science books for children, did translations, and wrote popular-science articles for Polish national newspapers.
He was a scientific advisor for many popular-science events, including reconstructions of paleobiological environment and specimens (Baltow Jurassic Park).

He was a member of one of the Polish - Mongolian Paleobiological Expeditions to the Gobi Desert

Gobi Desert

The Gobi is a large desert region in Asia. It covers parts of northern and northwestern China, and of southern Mongolia. The desert basins of the Gobi are bounded by the Altai Mountains and the grasslands and steppes of Mongolia on the north, by the Hexi Corridor and Tibetan Plateau to the...

. His scientific interests included dinosaur egg

Dinosaur egg

Dinosaur eggs are represented today as fossils. They represent the product of egg laying activity and can offer clues as to how dinosaurs behaved. In some cases the embryonic dinosaur is preserved within the eggshell, and can be studied....

s and babies, and dinosaur tracks.
In 2003, Sabath and Jørn Hurum

Jørn Hurum

Jørn Harald Hurum is a Norwegian paleontologist and popularizer of science. He is a vertebrate paleontologist and holds an Associate Professor position at the Natural History Museum of the University of Oslo. He has studied dinosaurs, primitive mammals and plesiosaurs.- Media :Hurum is known as a...

 demonstrated that Tarbosaurus

Tarbosaurus

Tarbosaurus is a genus of tyrannosaurid theropod dinosaur that flourished in Asia about 70 million years ago, at the end of the Late Cretaceous Period. Fossils have been recovered in Mongolia, with more fragmentary remains found further afield in parts of China. Although many species have been...

is a close relative of Alioramus

Alioramus

Alioramus is a genus of tyrannosaurid theropod dinosaur from the Late Cretaceous period of Asia. The type A. remotus, is known from a partial skull and three metatarsals recovered from Mongolian sediments which were deposited in a humid floodplain between 70 and 65 million years ago. These...

, and not a species of Tyrannosaurus

Tyrannosaurus

Tyrannosaurus meaning "tyrant," and sauros meaning "lizard") is a genus of coelurosaurian theropod dinosaur. The species Tyrannosaurus rex , commonly abbreviated to T. rex, is a fixture in popular culture. It lived throughout what is now western North America, with a much wider range than other...

. This was based on supporting evidence for the hypothesis that tyrannosaurids

Tyrannosauridae

Tyrannosauridae is a family of coelurosaurian theropod dinosaurs which comprises two subfamilies containing up to six genera, including the eponymous Tyrannosaurus. The exact number of genera is controversial, with some experts recognizing as few as three...

 originated in Asia

Asia

Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

, and then migrated to North America

North America

North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

.

He was a co-founder of Polish Evolutionary Wortal ewolucja.org and Paleobiology Website paleontologia.pl

He was a Wikipedia Editor and DMOZ Editor.

Publications

• Sabath, K. 1991. "Upper Cretaceous amniotic eggs from the Gobi Desert," Acta Paleontologica Polonica, v. 36, p. 151-192.
• Mikhailov, K., Sabath, K., and Kurzanov, S., 1994. "Eggs and nests from the Cretaceous of Mongolia": in Carpenter, K., Hirsch, K.F., and Horner, J.R., eds., Dinosaur Eggs and Babies, Cambridge University Press, Cambridge, p. 88–115.
• Hurum J.H. & Sabath K. (2003). "Giant theropod dinosaurs from Asia and North America: Skulls of Tarbosaurus bataar and Tyrannosaurus rex compared," Acta Palaeontologica Polonica 48 (2), 161-190
• Currie, Philip J.; Hurum, Jørn H; & Sabath, Karol. (2003). "Skull structure and evolution in tyrannosaurid phylogeny," Acta Palaeontologica Polonica 48 (2): 227–234.
• Gierlinski, G. & Sabath, K. 2002: "A probable stegosaurian track from the Late Jurassic of Poland," Acta Palaeontologica Polonica 47, p. 561–564.
• Jacek Balerstet, Karol Sabath, 2004. Podstawy ewolucjonizmu (eng. "The Basics of Evolutionism") . Wyd. Operon.