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Of course, a more complex version of the sentence is "The society was officially formed in January 1935 to spearhead wilderness preservation and included notable conservationists like Bob Marshall, Benton MacKaye, Bernard Frank and Aldo Leopold".<unk> Of course, a more complex version of the sentence is "The society was officially formed in January 1935 to spearhead wilderness preservation and included notable conservationists like Bob Marshall, Benton MacKaye, Bernard Frank and Aldo Leopold".<unk>