zoology

Rudolf Leuckart and the Tapeworm

Rudolf Leuckart and the Tapeworm

Karl Georg Friedrich Rudolf Leuckart (1822-1898) On October 7, 1822, German zoologist Karl Georg Friedrich Rudolf Leuckart was born. He is known to be one of the initiators of modern parasitology. Leuckart described the complicated life histories of various parasites, including tapeworms and the liver fluke, and demonstrated that some human diseases, such…
Carl Hagenbeck and the Modern Zoo

Carl Hagenbeck and the Modern Zoo

Portrait Carl Hagenbeck and Walrus Pallas 1911 On May 7, 1907, German merchant of wild animals Carl Hagenbeck founded Germany’s most successful privately owned zoo, the Tierpark Hagenbeck. He created the modern zoo with animal enclosures without bars that were closer to their natural habitat. Already his father, Gottfried Hagenbeck, who…
Charles Walcott and the Cambrian Explosion

Charles Walcott and the Cambrian Explosion

Charles Doolittle Walcott (1850-1927) On August 30, 1909, American paleontologist Charles Doolittle Walcott discovered the Burgess Shale Formation, located in the Canadian Rockies of British Columbia. With its Cambrian fossils the Burgess Shale is one of the world’s most celebrated fossil fields. Walcott excavated repeatedly to collect more than 65,000…
Georges Cuvier and the Fossils

Georges Cuvier and the Fossils

Georges Cuvier(1769 – 1832) On August 23, 1769, French naturalist and zoologist Jean Léopold Nicolas Frédéric Cuvier aka Georges Cuvier was born. He was a major figure in natural sciences research in the early 19th century, and was instrumental in establishing the fields of comparative anatomy and paleontology through his…
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