William Bryant Logan

William Bryant Logan is the founder and president of Urban Arborists, a leading tree care firm in New York City, and is on the faculty of the New York Botanical Garden. His four books of nonfiction – Dirt: The Ecstatic Skin of the Earth, Oak: The Frame of Civilization, Air: The Restless Shaper of the World, and Sprout Lands: Tending the Endless Gift of Trees – are all published by W.W. Norton. Dirt was made into an award-winning documentary that premiered at the 2009 Sundance Festival and is still shown around the world. In 2012, Logan was presented the Senior Scholar Award by New York State Arborists and the True Professional of Arboriculture award by the International Society of Arboriculture. He lectures around the world about the relationship between people and trees. His firm cares for all kinds for trees in New York, from back garden trees to neighborhood associations, Madison Square Park, the plaza of pollards, and aerial hedges in front of the Metropolitan Museum of Art.