Sentence:  These sages include <WSD>poet</WSD> Carl Sandburg , statesman Jawaharlal Nehru and sculptor Jacques Lipchitz , in Volume One , and playwright Sean O'Casey , David Ben-Gurion , philosopher Bertrand Russell and the late Frank Lloyd Wright in the second set . 
Meaning of the word marked with <WSD> tags:  a writer of poems (the term is usually reserved for writers of good poetry)