Robert Thomson Leiper He then entered the University of Glasgow to study medicine, at which he excelled, winning awards such as the John Hunter Medal and the Senior Arnott Prize in the field; graduating in 1904. From an early age Leiper was devoted to helminthology, the study of parasitic flatworms; while still an undergraduate, at the age of 21, he discovered an undocumented turbellarian worm in the Spatangoida sea urchin. This discovery lead to the publication of his first paper in "Nature" magazine. He later, in 1923, he founded the "Journal of Helminthology". In that same year on 3 May he was made
Kratts' Creatures with 50 episodes produced in total, with reruns continuing to air until June 9, 2000. Due to its popularity, the show inspired an unofficial spinoff, "Zoboomafoo," also created by the Kratts, which premiered on January 25, 1999. Kratts' Creatures Kratts' Creatures is a half-hour children's television series that originally ran on PTV. The first in a series of programs produced by the Kratt Brothers, Chris and Martin Kratt, "Kratts' Creatures" was made to be the first wildlife show aimed specifically towards young children. It featured the Brothers Kratt as they traveled around the world exploring different animals and their habitats,