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
Impossible Creatures later by a free downloadable expansion entitled "Insect Invasion" which added new creatures and abilities to the game. The last official add on for "Impossible Creatures" was released in 2004. On November 12, 2015, Impossible Creatures was released on Steam as "Impossible Creatures: Steam Edition", by THQ Nordic. Relic Entertainment and Sega relinquished the rights of "Impossible Creatures" to THQ Nordic after it was revealed that THQ nor Microsoft Studios owned the rights to the video game. The Steam version includes all patches and expansion packs released in the past, the IC Online servers reimplemented through Steam's cloud service and