Melvil Dewey is best known as the originator of the Dewey Decimal System. His name was originally Louis Kossuth, he later went by Melville Dewey, then shortened his first name to Melvil. He proposed a decimal-based cataloging system after working in his college library for some time. He was a founding member of the American library Association and also served as director of the new York State library. He and his wife Emily created the Lake Placid Club in New York for promotion of winter sports.  Family links:  Parents:  Joel Dewey (1810 – 1889)  Eliza Green Dewey (1809 – 1885)  Spouses:  Annie R. Godfrey Dewey (1850 – 1922)*  Emily Foss McKay Beal  Dewey (1876 – ____)*  Children:  Godfrey Dewey (1887 – 1977)*  Siblings:  Marion M. Dewey Tanner (1833 – 1908)*  Maryett M. Dewey (1834 – 1836)*  Manford Joel Dewey (1839 – 1922)*  Marissa E. Dewey Green (1844 – 1922)*  Melvil Dewey (1851 – 1931) *Calculated relationship