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Fibons

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About The Inventor

FIBONS

Mission Statement

To bring understanding of kinetic principles in cancer assessment of treatment response and progression, quantitative evaluation of environmental and oncology products, and research in Fibonacci models of tissue patterning.

Specifically, volume and area doubling rulers for harmonization of disparate response criteria. Nucleophilic selectivity profiling of alkylating agents and environmental VOCs. Sequential slide video-microscopy (SSVM) of Cotula discolor phyllotaxis with MatLab modeling of our asymmetric binary branching by age and generation of cells using binomial expressions.

Dr. Colin P. Spears M.D.

COLIN PAUL SPEARS M.D.

Dr. Colin Paul Spears, M.D. is a prominent, board-certified hematologist-oncologist and research physician based in Sacramento, California. Over a career spanning more than 50 years, he has made significant contributions to both clinical cancer care and translational oncology research.

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Professional Appointments


  • Clinical Professor, California Northstate University, College of Medicine 2013 – 2020
  • Member, Institutional Review Board, Catholic HealthCare West, Sacramento Region 2001 – 2017
  • Chairman, Weekly Tumor Conference, Mercy General Hospital, Sacramento, 2008 – 2014
  • Chairman, Cancer Committee, Mercy General Hospital, Community Comprehensive Cancer Center, Sacramento, 2008 – 2016
  • Partner, Sierra Hematology & Oncology Medical Centers, 2001 – 2017  Retirement
  • Attending Physician, Sierra Hematology & Oncology, Suite 360, 3939 J Street, Sacramento, CA 95819, 03/26/2001 – present
  • Attending Physician, Sacramento Center for Hematology & Medical Oncology, 2800 L Street, Sutter Cancer Center, Sacramento, CA, 12/1999 – 3/2001
  • Attending Physician, Woodland Clinic, Woodland, CA, 03/2001 – 12/2001
  • Senior Clinical Research Physician, Oncology Products, Eli Lilly & Company, Lilly Corporate Center, Indianapolis, Indiana. 01/04/1999 – 08/04/1999
  • Research Scholar, USC Department of Chemistry, Prof. Charles McKenna,Los Angeles, CA, 1998 – 2001
  • Member, Huntington Medical Research Institute, Pasadena, California, 1996 -1999
  • Active Staff, Medical Oncology & Hematology, Huntington Memorial Hospital, Pasadena, California, 1997 – 1999
  • Prof Clin Medicine: Medical Oncology, USC School of Medicine, 1997 – 1999
  • Assoc Prof Medicine: Medical Oncology, USC School of Medicine, 1986 – 1997
  • Clin Assist Prof of Med: USC School of Medicine, 1985 – 1986
  • Assist Prof of Res Med: USC School of Medicine, 1982 – 1983
  • Research Scholar: University of Southern Cancer Center, Los Angeles, 1977 – 1982
  • NASA Contract Research Associate in Cardiology: USPHS Hospital, San Francisco, CA, 1971-1973
    Unified Method for Serial Study of Body Fluid Compartments, and Apollo 15 Simulation of Low Potassium Diets.
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Fibons Inc.

Our Volume Doubling Ruler is readily available.

(916)692-8480

Team@fibons.com

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