Leonard DeGraaf

LEONARD DEGRAAF is an archivist at Thomas Edison National Historical Park in West Orange, New Jersey, and the author of two books on Edison. His recent books include Edison and the Rise of Innovation, which features a foreword by Bill Gates, and Historic Photos of Thomas Edison.

DeGraaf holds an MA in history from Rutgers University and joined the National Park Service in 1991. His articles have appeared in the New York Daily News, Seaport, magazine, and Business History Review.

When not writing, DeGraaf lectures extensively about Edison and his work and serves on the New Jersey National History Day advisory board. That engagement with Edison’s legacy shapes both his archival work and his books.

Leonard lives in Maplewood, New Jersey.

Leonard DeGraaf’s books are published by Turner Publishing.

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