William S. Denison William S. Denison William S. Denison (17941880) was a Baptist farmer who was a major benefactor and namesake of Denison University in Ohio. William S. Denison was born in Colrain, Massachusetts on November 13, 1794 as the youngest of eight children. His family was originally from Stonington, Connecticut. Denison migrated to Ohio in 1810 settling in Putnam in Muskingum County, Ohio and then moving to Zanesville, Ohio. Denison attended Ohio University studying scientific farming methods. Denison eventually acquired nearly 1,500 acres of farmland. Denison was a longtime member of the Salem Baptist Church in Adamsville. In 1853, William S. Denison
S-type star way to carbon stars, but there are only around a third as many as the carbon stars. Both types of carbon-rich star are very rare near to the galactic centre, but make up 10% – 20% of all the luminous AGB stars in the solar neighbourhood, so that S stars are around 5% of the AGB stars. The carbon-rich stars are also concentrated more closely in the galactic plane. S-type stars make up a disproportionate number of Mira variables, 7% in one survey compared to 3% of all AGB stars. Extrinsic S stars are not on the TP-AGB, but are