Envelope 15 contains 2 dvd and textual records relating to the "McLuhan's Media" installation presented in the George Vari Engineering Building July 22 and 23, 2011. Included is preliminary research, several versions of possible media to be used, the final selection of media, a listing of contributing artists. The first dvd is Mark Polscher's "Die Mechanische Brout" and "Science and Society: McLuhan on The Club"; and the second dvd is of Christina (Jana) Kluge's multimedia exhibition "Homage to Marshall McLuhan". Polscher's work was played during the exhibit. Kluge's work was received later.