Menotti's full name was Gian Carlo Menotti.
What made his music unique was that he composed his first song when he was 7, and he wrote the script and songs for an opera when he was 11.
His most famous piece of music was called "Amahl and the Night Visitors."

http://www.musicsalesclassical.com/compos
er/short-bio/Gian-Carlo-Menotti