did the creator  of the above mentioned animated show pursue any other career?
He was a  marine science educator.
Stephen Hillenburg
 marine science educator.
when did the first spongebob episode come out May 1, 1999 who created the show? Stephen Hillenburg where was it first aired? Nickelodeon who were the main characters of this show? SpongeBob SquarePants,  snail Gary,  Patrick Star, Squidward Tentacles who voiced the first character? Tom Kenny where was he born? Syracuse, New York any other work by him? Kenny has acted in many films and TV shows, debuting in "How I Got Into College", "Shakes the Clown" when did he start his film career? 1989 when was the aforementioned network founded? April 1, 1979 and by whom? ViacomCBS what is it? It  is an American diversified multinational mass media conglomerate formed through the merger of CBS Corporation and the second incarnation of Viacom who owned it? UNANSWERABLE
wiki:17908723
Stephen Hillenburg [SEP] Introduction
Stephen McDannell Hillenburg (August 21, 1961 – November 26, 2018) was an American animator and marine science educator. He is best remembered for creating the Nickelodeon animated television series "SpongeBob SquarePants". Hillenburg served as the showrunner for the first three seasons of the show, which has become the fifth-longest-running American animated series. Born in Lawton, Oklahoma and raised in Anaheim, California, Hillenburg became fascinated with the ocean as a child and developed an interest in art. He started his professional career in 1984, instructing marine biology, at the Orange County Marine Institute, where he wrote "The Intertidal Zone", an informative picture book about tide-pool animals, which he used to educate his students.