Segraves sued California on behalf of his three children, who were minors at the time, on January 19, 1979. Cited in Segraves's complaint is the curriculum guide "Science Framework for California Public Schools", which is said to convey the idea that "the theory of evolution is the only credible theory of the origin of [life]."
In 1979, Segraves filed a lawsuit against California on behalf of his three children, who were minors at the time. He cited the curriculum guide "Science Framework for California Public Schools" as evidence in his complaint, arguing that it promotes the idea that evolution is the only credible explanation for life's origins.