Who directed the shower scene in PSYCHO

FULL ARTICLE: In 1960, Alfred Hitchcock shocked the viewers by killing the lead actress only 30 minutes into PSYCHO. The scene took 7 days to film in December of 1959. Of the 77 camera setups captured that 51 shots were used in the final edit. The shower scene is a master class in filmmaking and displayed an advanced style in both editing and visual style. What I find interesting about the shower scene is how unHitchcockian the angles and