sentences:  Disillusioned with the field, he wrote a very public letter of resignation from the American Psychiatric Association in 1998, stating that "After nearly three decades as a member it is with a mixture of pleasure and disappointment that I submit this letter of resignation from the American Psychiatric Association.The major reason for this action is my belief that I am actually resigning from the American Psychopharmacological Association.Luckily, the organization's true identity requires no change in the acronym."