Progressive media personality most famous as the host of the radio show "The Thom Hartmann Program" and television's "The Big Picture." He is also the author of critically-acclaimed books like "The Last Hours of Ancient Sunlight."
He was politically active at a young age, campaigning for Barry Goldwater during the 1964 presidential election at age thirteen.
He has been one of the foremost speakers and writers on ADHD, popularizing the now-prominent "hunter vs. farmer" theory on the subject.
He married a woman named Louise, whom he met in the 60's. They have three children.
He appeared in the 2007 environmentalist documentary "The 11th Hour," produced and narrated by actor Leonardo DiCaprio.