Complex sentence: Jean Frédéric Bazille (December 6,1841--November 28,1870) was a French Impressionist painter whose major works often foreground the figure within a landscape painted "en plein air".
Split into simpler sentences: Jean Frédéric Bazille (December 6,1841--November 28,1870) was a French Impressionist painter. Many of Bazille's major works are examples of figure painting and placed the subject figure within a landscape painted "en plein air".