“The graham cracker was inspired by the preaching of Sylvester Graham who was part of the 19th-century temperance movement. He believed that minimizing pleasure and stimulation of all kinds, coupled with a vegetarian diet anchored by bread made from wheat coarsely ground at home, was how God intended people to live, and that following this natural law would keep people healthy. His preaching was taken up widely in the midst of the 1829–51 cholera pandemic. His followers were called Grahamites and formed one of the first vegetarian movements in America…” Wiki