 Complete the following phrase:  Public Enemys first four albums during the late 1980s and early 1990s were all certified either gold or platinum and were, according to music critic Robert Hilburn in 1998, the most acclaimed body of work ever by a hip hop act. Critic Stephen Thomas Erlewine called them the most influential and radical band of their time. They were inducted into Rock and Roll Hall of Fame in 2013. They were honored with the Grammy Lifetime Achievement Award at the 