Complex sentence: John Milton Earle (April 13,1794--February 8,1874) was an American businessman, abolitionist, and statesman and founded the Massachusetts Horticultural Society in 1829.
Split into simpler sentences: John Milton Earle (April 13,1794-February 8,1874) was an American businessman, abolitionist, and statesman. He founded the Massachusetts Horticultural Society in 1829.