sentences:  Goeken, being a tenacious entrepreneur, challenged against what he believed to be an injustice using the court system.Eventually, the lawsuit he filed would lead to the breakup of AT&T and usher in an era of competition for the telecommunications industry.MCI made Goeken a multimillionaire, and he used his personality and wealth to found many other innovative companies, including the FTD Mercury Network (flower delivery), Airfone (later sold to GTE), In-Flight Phone Corp., and many others.