Schizophrenia can also manifest later in life - somtimes in middle age or old age.
It is also, earlier on, sometimes mistaken for another disorder on the spectrum or another form of mental illness.
His repeated hospitalizations for severe depression are a fact - however it is possible that his depression was actually one of the "episodes" on the typical course of shizophrenia that deepen and worsen the disease.
The malpractice claims against the physician have speculative interest related to his mental illness. They could possibly indicate reduced functioning that harmed patients; if not, the fear,stress and shame of a claim (even if settled) against him might have exacerbated an underlying condition.
Note the letters in his medical board file. Mental illness is sometimes concealed or minimized as well as possible by sufferers to protect a career and the means of earning a living, or to protect anyone from interfering in delusional plans, or to prevent interventions in child custody, or simply to avoid shame.
He may have been getting worse and actively tried to hide it: perhaps his own wife was trying to help him cope with it, enabling the family to keep going. She may never have seen him like that before, but it's possible she ignored signs of danger or minimized them.
