Final answer:
In 'One Flew Over the Cuckoo's Nest,' Nurse Ratched is in charge of the ward and maintains strict control of the patients.
Step-by-step explanation:
In the novel One Flew Over the Cuckoo's Nest by Ken Kesey, the character who is in charge of the ward is Nurse Ratched. Known for her manipulative and oppressive ways, Nurse Ratched maintains strict control over the patients in the mental institution.
The story revolves around the battle of wills between Nurse Ratched and a new patient, Randle Patrick McMurphy, who challenges her authority and the established regime of the ward.