A television presenter is a celebrity who is best known for introducing or appearing in television programmes but has no particular specialisation. A television presenter may double as an actor, singer, etc, but is normally known to the public only as the presenter of a particular programme or programmes.
... (1254-1323), travelled to China in the 13th century.
John Wesley Powell, (1834-1902), explorer, environmentalist
Nathaniel Pryor[?], (c 1785-1850), US explorer
Pytheas, ...