Keith Staskiewicz
September 07, 2010 AT 11:15 PM EDT

David Dortort, the creator of the famed, long-running TV Western Bonanza, died at age 93, The Hollywood Reporter reports. Bonanza aired on NBC from 1959-73 and was top-rated for much of that run. Dortort also wrote episodes for Lassie, The Restless Gun, and Waterfront, as well as produced several spin-offs of his beloved show.

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