Afterwards he worked at the Paul-Ehrlich Institute in Frankfurt, at the insane asylum at Chemnitz and finally at the Psychiatric University Clinic at Jena under Otto Binswanger, where he earned his habilitation in 1915.
From 1928 he advised the organization's newsletter, and after 1930 he co-edited (with Arthur Kronfeld and Rudolf Allers) the journal, now named the Zentralblatt für Psychotherapie.
In 1933 he began research on his guidebook on sexual education, Geschlecht, Liebe, Ehe, in which he focused on homosexuality and explored the topics of sterilization and euthanasia.
In this way Schultz actually saved numerous accused homosexuals from the hellish life of a concentration camp but he stated later that "successfully treated subjects were sent to the front, where they most probably were killed in action".
In fact he released a case study on his work with homosexuals in 1952 titled Organstörungen und Perversionen im Liebesleben, in which he admitted to the inhumanity of some of his experiments but also still supported their results.
[4] In 1956, he became editor of the journal Psychotherapie, and in 1959 founder of the German Society for Medical Hypnosis (Deutschen Gesellschaft für ärztliche Hypnose).
In Australia, UK, Italy and Spain AT is taught to assist with problems such as stress, anxiety, depression, anger management, insomnia, fatigue and for difficulties with concentration, memory, decision making amongst other things.
The Autogenic Training Institute of Australia teaches AT for occupational health and safety and has become well known for its work with the mining, oil and gas industry as well as police.