Complex sentence: Giorgos or George Seferis (Γιώργος Σεφέρης) was the pen name of Geōrgios Seferiádēs (Γεώργιος Σεφεριάδης,-September 20,1971) was one of the most important Greek poets of the 20th century, and a Nobel laureate.
Split into simpler sentences: Giorgos or George Seferis (Γιώργος Σεφέρης) was the pen name of Geōrgios Seferiádēs (Γεώργιος Σεφεριάδης,-September 20,1971). He was one of the most important Greek poets of the 20th century, and a Nobel laureate.