George Nissen References George Nissen American gymnast Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: trampoline…present-day trampoline by American gymnast George Nissen. Read More…present-day trampoline by American gymnast George Nissen. Read More