Complex sentence: Neill Smith Brown (April 18,1810January 30,1886) was an American politician and diplomat who served as Governor of Tennessee from 1847 to 1849, and as the United States Minister to Russia from 1850 to 1853.
Split into simpler sentences: Neill Smith Brown (April 18,1810January 30,1886) was an American politician. He served as Governor of Tennessee from 1847 to 1849, and as the United States Minister to Russia from 1850 to 1853.