Simplify the following text for a Grade 6 native English-speaking person.
Original: Arthur Ira `` Art '' Garfunkel ( born November 5 , 1941 ) is an American singer , poet , and actor , best known as half of the folk duo Simon & Garfunkel .
Simplified: Art Garfunkel ( born November 5 , 1941 ) is an American singer . Along with Paul Simon , he was part of the duo Simon and Garfunkel , a popular group in the 1960s and early 1970s .