Answer:
Nat King Cole
Step-by-step explanation:
Before hosting his own show, Nat King Cole was a jazz superstar who sold million copies of his album around the world.
Due to his popularity, he eventually given his own Network Radio Show by NBC in 1956 called The Nat King Cole Show. At that time , this move was considered very controversial since all tv hosts in American TV at that time were exclusively whites.
This make it really hard for NBC to obtain sponsor for the show. But due to the overwhelming support form the people, they eventually managed to secure several national sponsors and it eventually become one of the top rated shows in united states.