Audiology is a challenging and expanding field involving the study of hearing and balance. As a healthcare profession, audiology also involves assessment, management and therapeutic rehabilitation of people with hearing and balance problems, and associated disorders.
The cause of death was a heart attack, the Pittsburgh Steelers said. Webster played center for 15 seasons (1974-88) for the Steelers and two seasons (1989-90) for the Kansas City Chiefs. In 1997, he was inducted into the Pro Football Hall of Fame in Canton, Ohio, and in 2000 he was named to the National Football League's all-time team.
Johnson then moved to the National Football League (NFL), serving as head coach of the Dallas Cowboys from 1989 to 1993 and the Miami Dolphins from 1996 to 1999. As of 2013, he is an analyst for Fox NFL Sunday, the Fox network's NFL pregame show for the NFL games.n 1979, Johnson became head coach at Oklahoma State. Johnson coached for five seasons at Oklahoma State University from 1979 to 1983 before taking the head coaching job at the University of Miami.