Sierracasts

In April 2006, Robert Hanna, the great-great-grandson of the famous environmentalist John Muir, spoke to the Sierra College class named Interdisciplinary 6: The Sierra Nevada. Listen Biography Robert Hanna is the great-great-grandson of the famous environmentalist John Muir John Muir was called “John of the Mountains,” a wild-haired, eccentric Scotsman fired with enthusiasm for the […]