Dr. Dre
Dr. Dre is a rapper, record producer, entrepreneur and audio engineer. He began his career in the rap group N.W.A. He also had a successful solo career. Dre is credited with helping kickstart the careers of some of the most famous rappers including Eminem and 50 Cent. He also has an acting career and has appeared in movies such as Training Day. As an entrepreneur, he released a popular brand of headphones, Beats by Dr. Dre.