Complex sentence: While Harris' contributions to anthropology are widely respected, it has been said that Other anthropologists and observers had almost as many opinions about Dr. Harris as he had about why people behave as they do.
Split into simpler sentences: While Harris' contributions to anthropology are widely respected, they do not represent the only views within that field. It has been said that Other anthropologists and observers had almost as many opinions about Dr. Harris as he had about why people behave as they do.