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The Mississippi man known as "Case 1," the first person to be diagnosed with autism, has died

The Mississippi man known as “Case 1,” the first person to be diagnosed with autism, has died. Donald G. Triplett was the subject of a book titled “In a

Triplett, 1st person diagnosed with autism, dies Associated Press FOREST, Miss. – The Mississippi man known as “Case 1,” the first person to be diagnosed with autism, has died. Donald

FOREST, Miss. — The Mississippi man known as "Case 1," the first person to be diagnosed with autism, has died.

FOREST, Miss. (AP) -- The Mississippi man known as "Case 1," the first person to be diagnosed with autism, has died.

Donald Gray "Don" Triplett, the first person to be formally diagnosed with autism, died Thursday after an illness.

The Mississippi man known as "Case 1," the first person to be diagnosed with autism, has died. Donald Triplett was the subject of a book titled In a Different Key ,...

Donald Gray Triplett, the first person diagnosed with autism symptoms, died Thursday, according to his longtime employer. Triplett was 89.

The Mississippi man known as “Case 1,” the first person to be diagnosed with autism, has died.

Donald G. Triplett, the first person to be diagnosed with autism, has died. He was 89.