Who is Marion from A Loss for Words: The Story of Deafness in a Family and what is their importance?

Marion is a deaf graduate student at Ball State University. She emphasizes sign language in her deaf education techniques, and is thus shunned and ostracized by the professors who emphasize vocalizing and lipreading over signing. Lou Ann sees Marion treated badly, and it strengthens her own resolve to pursue sign language despite the prevailing oralist tradition