The chief driving force behind this effort was Tom Parsons of Humboldt State University, who developed spelling schemes for Hupa, Yurok, Tolowa, and Karok, which were then improved by native scholars.
The main driving force behind this initiative was Tom Parsons of Humboldt State University, who created linguistic frameworks for Hupa, Yurok, Tolowa, and Karok. These frameworks were then enhanced by native experts.