In his autobiography Society's Child (2008), Ian recalled that Adler had little patience for students who weren't progressing as he wanted, going so far on one occasion as to give one of his students a dime and tell him to call his father to pick him up because he had no business in the theater.
En su autobiografía «Society's Child» (2008), Ian recordó que Adler tenía poca paciencia con los estudiantes que no progresaban como él quería, llegando en una ocasión a dar a uno de sus estudiantes una moneda de diez centavos y decirle que llamara a su padre para que lo recogiera porque no tenía nada que hacer en el teatro.