Ceramics encompass such a vast array of materials that a concise definition is almost impossible. However, one workable definition of ceramics is a refractory, inorganic, and nonmetallic material.Ceramics can be divided into two classes: traditional ceramics and advanced ceramics.eramics encompass such a vast array of materials that a concise definition is almost impossible. However, one workable definition of ceramics is a refractory, inorganic, and nonmetallic material. Ceramics can be divided into two classes: traditional ceramics and advanced ceramics.
For other uses, see Leaves of Grass (disambiguation). Leaves of Grass is a poetry collection by the American poet Walt Whitman (1819â1892). Though the first edition was published in 1855, Whitman spent most of his professional life writing and re-writing Leaves of Grass, revising it multiple times until his death. This resulted in vastly different editions over four decadesâthe first a small book of twelve poems and the last a compilation of over 400.
Family Origins. Walt Whitman, arguably Americas most influential and innovative poet, was born into a working class family in West Hills, New York, a village near Hempstead, Long Island, on May 31, 1819, just thirty years after George Washington was inaugurated as the first president of the newly formed United States.Note: This biographical essay is excerpted from a longer essay included in The Walt Whitman Hypertext Archive at http://jefferson.village.virginia.edu/whitman/. It is copyright 1995, 1996, 1997, 1998 by Kenneth M. Price and Ed Folsom.