Tabla de Contenidos: “…An introduction to the importance of couple chemistry under the studio system -- Johnny Weissmuller and Maureen O'Sullivan : Tarzan and Jane -- Myrna Loy and William Powell : the Thin Man takes a couple -- Fred Astaire and Ginger Rogers : music makes me -- Katharine Hepburn and Spencer Tracy : much ado about "the little woman" -- The post-studio synergistic couple : the thin aliens -- The thematic couple : a post-studio innovation -- Fred, Ginger, and RKO -- Theorizing chemistry in entertainment via neuroscience…”