•  10
    Professionalization of Clinical Ethics Consultants: A Need for Liability Protection?
    with Claudia R. Sotomayor and Christopher Spevak
    HEC Forum 1-17. forthcoming.
    Clinical Ethics Consultation (CEC) has grown significantly in the last decade, and efforts are being made to professionalize the practice. The American Society for Bioethics and Humanities (ASBH) has been instrumental in this process, having published the _Code of Ethics and Professional Responsibilities for Healthcare Ethics Consultants_ and founded and endorsed the creation of the _Healthcare Ethics Consultant Certified (HCEC) Certification Commission._ The ASBH also published “core competenci…Read more
  •  100
    Celestial Motions in the Late Middle Ages
    Early Science and Medicine 2 (2): 129-148. 1997.
    With the introduction of Greco-Islamic science and natural philosophy, medieval natural philosophers were confronted with three distinct astronomical systems: Aristotelian, Ptolemaic, and the system of al-Bitruji. A fundamental problem that each had to confront was how to explain simultaneous contrary motions in the heavens -for example, the sun's motion, which moves east to west with a daily motion while simultaneously moving west to east along the ecliptic- within an Aristotelian physical syst…Read more
  •  60
    Scientific imagination in the middle ages
    Perspectives on Science 12 (4): 394-423. 2004.
    : Following Aristotle, medieval natural philosophers believed that knowledge was ultimately based on perception and observation; and like Aristotle, they also believed that observation could not explain the "why" of any perception. To arrive at the "why," natural philosophers offered theoretical explanations that required the use of the imagination. This was, however, only the starting point. Not only did they apply their imaginations to real phenomena, but expended even more intellectual energy…Read more
  •  16
    Celestial Motions in the Late Middle Ages
    Early Science and Medicine 1 (2): 129-148. 1997.
    With the introduction of Greco-Islamic science and natural philosophy, medieval natural philosophers were confronted with three distinct astronomical systems: Aristotelian, Ptolemaic, and the system of al-Bitruji. A fundamental problem that each had to confront was how to explain simultaneous contrary motions in the heavens -for example, the sun's motion, which moves east to west with a daily motion while simultaneously moving west to east along the ecliptic- within an Aristotelian physical syst…Read more
  •  22
    Medical Futility: Legal and Ethical Aspects
    Journal of Law, Medicine and Ethics 20 (4): 330-335. 1992.
  • The "Small Beginnings" of Euthanasia: Examining the Erosion in Legal Prohibitions Against Mercy-Killing
    with C. Koop
    Notre Dame Journal of Law, Ethics and Public Policy 2 (2): 585-634. 1986.