This biographical article 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, especially if potentially libelous or harmful. (August 2011) David Deida Born March 18, 1958 (1958-03-18) Cleveland, Ohio Other names David Greenberg Occupation Author, independent researcher, teacher Known for...
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This biographical article 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, especially if potentially libelous or harmful. (August 2011) David Deida Born March 18, 1958 (1958-03-18) Cleveland, Ohio Other names David Greenberg Occupation Author, independent researcher, teacher Known for...