This thinker infamously argued that the last murderer in prison should still be executed even if society was about to collapse. Rae Langton and Barbara Herman have interpreted this thinker’s claim that sex involves improperly treating a person as a thing. This thinker’s examples of perfect and imperfect duties to oneself and others are often illustrated in a four-square grid. This thinker used the formulas of humanity and (*) autonomy to present a principle he illustrated with the “kingdom of ends.” This thinker’s deontology centers on the idea that we should act according to maxims we would will to be universal law. (10[1])This thinker’s Groundwork argues for the categorical imperative. For 10 points, name this German Enlightenment author of three “critiques.” ■END■