Levi Walter Yaggy

Levi Walter Yaggy was an American educator, geologist, and publisher known for his contributions to scientific education. He authored several textbooks on subjects such as geology, astronomy, and natural history, which were widely used in schools across the United States during the late 19th century. Yaggy was also a pioneer in the production of educational charts, maps, and diagrams, aiming to make complex scientific concepts more accessible to students.