Benjamin rush was the first person to believe that mental disorder is a disease of the mind but not a possession of the demons.
Hence the option b is not correct.
Eugen Bleuler was a psychiatrist known popular for coining the terms schizophrenia.
Hence the option c is not correct.
Kraepelin coined the schizophrenia as a dementia praecox to highlight its pervasive disturbances of cognitive faculties and early life onset.
Hence the correct option is.