David B. Kaplan could refer to several individuals, but without more specific context, it's difficult to identify exactly who you are asking about. One prominent David B. Kaplan is a professor of philosophy known for his work in areas such as metaphysics and the philosophy of language. If you are inquiring about a different David B. Kaplan, such as one involved in a specific field like business, science, or art, please provide additional context for a more accurate answer.
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