The modern use of the words "intelligent design," as a term intended to describe a field of inquiry, began after the Supreme Court of the United States, in the case of "Edwards v. Aguillard" (1987), ruled that creationism is unconstitutional in public school science curricula. A Discovery Institute report says that Charles Thaxton, editor of "Of Pandas and People", had picked the phrase up from a NASA scientist, and thought "That's just what I need, it's a good engineering term." In drafts of the book over one hundred uses of the root word "creation," such as "creationism" and "creation science," were changed, almost without exception, to "intelligent design," while "creationists" was changed to "design proponents" or, in one instance, "cdesign proponentsists." In 1989, "Of Pandas and People" was published by the Foundation for Thought and Ethics (FTE), with the definition: