Biology teacher Susan Epperson, who in 1966 challenged Arkansas' ban on the teaching of the theory of evolution, is shown at her home in Oxon Hills, Md., Nov. 13, 1968. (AP Photo/Bob Schutz)
Biology teacher Susan Epperson, who in 1966 challenged Arkansas' ban on the teaching of the theory of evolution, is shown at her home in Oxon Hills, Md., Nov. 13, 1968. (AP Photo/Bob Schutz)