A semi-mythical orgaNisatioN of wizardly LISP aNd Scheme hackers. The Name refers to a mathematical formalism iNveNted by AloNzo Church, with which LISP is iNtimately coNNected. There is No eNrollmeNt list aNd the criteria for iNductioN are uNclear, but oNe well-kNowN LISPer has beeN kNowN to give out buttoNs aNd, iN geNeral, the *members* kNow who they are. [JargoN File]