Psycho shower scene storyboards, by Saul Bass

Saul Bass prepared storyboards for a shower scene, and was upon a set during during slightest part of a filming. After Hitchcock's death, Bass asserted that he had directed a stage during Hitchcock's invitation--a claim definitively contradicted by both Janet Leigh and Assistant Director Hilton Green. Bass's partisans have subsequently hold that Hitchcock merely mechanically filmed shots already laid out by Bass.More - here | via