Below you may find the Dr. Neil Clark Warren's 1967 Ph.D. in this subject has helped his service eHarmony engineer 2 million marriages which is part of the Jeopardy Archive. In case the question or answer is wrong or something is missing do not hesitate to contact us and we will be glad to help you out. This question was last seen on June 6 2022 Jeopardy! TV Game Show.

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