Karl Georg Friedrich Rudolf Leuckart (7 October 1822 – 6 February 1898) was a German zoologist and a professor at the University of Giessen and then at Leipzig. He was a pioneer of parasitology research and established the field through a two-volume work on the parasites of humans. He has been called the "father of parasitology". He published a two-volume work on the parasites of humans. He helped identify the life history of Trichinella and helped manage trichinosis. He was also known for developing a series of illustrated wall charts for use in zoology instruction. He was a nephew to naturalist Friedrich Sigismund Leuckart (1794–1843). His son Rudolf Leuckart became a chemist but died young.
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