Original sentence: Nina Fletcher Little (1937-1984) served as director of SPNEA (now known as Historic New England) for 21 years and published six books including American Decorative Wall Painting: 1700-1850
Edited sentence: Bertram K.Little (1899-1993) served as director of SPNEA (now known as Historic New England) for 23 years.Nina Fletcher Little (1903-1993) published six books including American Decorative Wall Painting: 1700-1850, and over 100 articles and exhibition catalogues