Who was Henry schoolcraft?

Henry Schoolcraft (1793–1864) was an American geologist, mineralogist, and ethnologist known for his extensive work in the study of Native American cultures and the geography of the Upper Midwest. He is best recognized for his role in the exploration of the sources of the Mississippi River and for his writings that documented the languages, customs, and histories of various Indigenous tribes. Additionally, Schoolcraft contributed to the understanding of mineral resources in the region and was an early advocate for the preservation of Native American heritage. His legacy includes a wealth of ethnographic material and geological discoveries.