Complex sentence: Robert Neelly Bellah (February 23,1927--July 30,2013) was an American sociologist, now the Elliott Professor of Sociology, Emeritus at the University of California, Berkeley, who is known for his work related to the sociology of religion.
Split into simpler sentences: Robert Neelly Bellah (February 23,1927-July 30,2013) was an American sociologist, and the Elliott Professor of Sociology, as well as Emeritus at the University of California, Berkeley. He was known for his work related to the sociology of religion.