Fuzzy logic and quantum theory may be the two most important philosophical (as well as logical and scientific) developments of the twentieth century. Wikipedia has a comprehensive summary of interpretations of quantum theory. Much of the summary is highly technical but I think the reader can catch the drift of the various interpretations even if he or she does not have deep knowledge of quantum theory or mathematics.
Student of the law of evidence, evidence, inference, and investigation. Sometimes writes books. Sometimes writes articles. Sometimes tinkers with computer programs to support the marshaling of evidence for legal activities such as trials and pretrial discovery and investigation. And sometimes takes photographs.