This collection of essays, which are the outcome of a Grant-in-Aid for Scientific Research sponsored by the Japan Society for the Promotion of Science, appears nine years after Oliver Sensen’s seminal monograph Kant on Human Dignity (Berlin/Boston 2011), which, not surprisingly, is quoted in almost all of the essays. The scope of the endeavor is breathtaking. It sets off from the Universal Declaration of Human Rights’ clam that “[a]ll human beings are born free and equal in dignity and rights.” However, if dignity were a property bestowed on human beings by birth, dignity could never be lost. In the case of dangerous criminals, Kant expressed doubts about dignity as an inalienable property. Hence an exciting set of questions that serve as a...