
Dr. Leo Kanner first introduced the term " early infantile autism" in his paper Autistic Disturbances of Affective Contact in 1943. In 1956 he published a paper co-written with Dr. Leon Eisenberg entitled Early Infantile Autism.
Leo Kanner, an Austrian born psychiatrist and physician, was the first person in the United States to be called a 'pediatric psychiatrist', and he is the first person accredited to have published in the field of what is now called the "autism spectrum".