Staying until 1841 , he tutored children of the fort and served as the post 's chaplain .
Griffin arrived in Oregon in 1839 and stayed at the Whitman Mission the first year before moving to the Hudson 's Bay Company 's Fort Vancouver on the Columbia River .
Staying until 1841 , Griffin tutored children of the fort and served as the post 's chaplain .
Griffin arrived in Oregon in 1839 and stayed at the Whitman Mission the first year before moving to the Hudson 's Bay Company 's Fort Vancouver on the Columbia River .