<Tr> <Th> Occupation </Th> <Td> Bank teller </Td> </Tr> <Tr> <Th> Home town </Th> <Td> Forest, Mississippi </Td> </Tr> <P> Donald Gray Triplett (born 1933) was the first person diagnosed with autism . He was first diagnosed by Leo Kanner, and was labeled as "Case 1". Triplett was noted for his savant abilities, particularly being able to name musical notes played on a piano and mentally multiplying numbers to a notable degree . </P> <P> Triplett was tracked down by John Donvan and Caren Zucker so they could find out his life's story for an article "Autism's First Child" in The Atlantic . He was later featured in the book In a Different Key . He was institutionalized at three years of age, but his parents pulled him out one year later . His father, Oliver, described him as socially withdrawn but interested in number patterns, music notes, letters of the alphabet, and U.S. president pictures . By the age of 2, he had the ability to recite the 23rd Psalm and memorized 25 questions and answers from the Presbyterian catechism . He was also interested in creating musical chords . </P>

Who was the first person diagnosed with autism