Sale! A Consilience of Natural and Social Sciences − A Memoir of Original Contributions $39.99 – $47.99 by Henry Kellerman Consilience Series. ISBN: 9780984870080 (soft) ISBN: 9780984870073 (hard, jacket) use coupon code : STUDENTU for additional Grad Students/ Educators discount This volume presents a series of original theories formulated over Dr. Henry Kellerman’s more than 50 year career first as psychologist, then as psychoanalyst. These are theories reflecting phenomena both in the natural as well as social sciences. They are foundational theories, several of which were published in scientific and clinical journals, as well as in books.