This anthropologist documented a Pangolin cult (15[1])into which only men who fathered both a male (15[1])and a female child with the same wife are initiated as part of early fieldwork on the Lele people. Later in their career, this thinker critiqued Rational Choice Theory using examples like self-sacrifice to argue that group behaviors are not all emergent from self-interest, referencing their earlier Cultural Theory of Risk, in the book (15[1])How (15[1])Institutions Think. (15[1])This thinker’s best-known work borrows William James’s definition of (*) “matter out of place” for dirt. This thinker famously argued that food taboos like Kosher laws really reflected symbolic boundaries rather than health concerns, prohibiting things that are hard to classify, in a chapter titled for the “Abominations of Leviticus.” For 10 points, name this British anthropologist who wrote Natural Symbols (10[1])and Purity and Danger. ■END■ (10[1]0[4])