This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages) This biography of a living person needs additional citations for verification. Please help by adding reliable sources. Contentious material about living persons that is unsourced or poorly sourced must be removed immediately from the article and its talk page, especially if potentially libelous.Find sources: "Cliff Schwarz" – news · newspapers · books · scholar · JSTOR (June 2011) (Learn how and when to remove this template message) The topic of this article may not meet Wikipedia's general notability guideline. Please help to demonstrate the notability of the topic by citing reliable secondary sources that are independent of the topic and provide significant coverage of it beyond a mere trivial mention. If notability cannot be shown, the article is likely to be merged, redirected, or deleted.Find sources: "Cliff Schwarz" – news · newspapers · books · scholar · JSTOR (December 2023) (Learn how and when to remove this template message) This biography of a living person does not include any references or sources. Please help by adding reliable sources. Contentious material about living people that is unsourced or poorly sourced must be removed immediately.Find sources: "Cliff Schwarz" – news · newspapers · books · scholar · JSTOR (December 2023) (Learn how and when to remove this template message) (Learn how and when to remove this template message)