sentences:  He was raised as part of the American Episcopal Church and remained a lifelong member.His best known book is entitled "Race and Reason" (1961), an advocacy of racial segregation that originated in a letter he wrote to President Dwight Eisenhower protesting the end of segregation in U.S. public schools.According to Putnam, the immediate impetus for his letter to Eisenhower was the concurring opinion of Justice Frankfurter in "Cooper v. Aaron", 358 U.S. 1 (1958), which Putnam refers to as "the recent Little Rock case".