In a wide-ranging career, Dr. Halpern was a champion of human rights especially in matters of law and mental health and was one of the founding leaders of the psychiatric sub-specialty of forensic psychiatry.
Dr. Halpern had been a long-standing member of the UN Alliance of NGOs on Crime Prevention and Criminal Justice, representing both the International Council of Prison Medical Services and the World Psychiatric Association.
Halpern was a Board member of Friends of Falun Gong, USA. Halpern is also a very strong opponent of the death penalty; he has written extensively on the subject of physician participation in executions. Halpern has also spoke out in defense of the curiative benefits of psychoanalysis. Halpern has advocated for the abolition of the insanity defense
Served on active duty in Royal Canadian Naval Volunteer Reserve from Sep. 24, 1942 to Nov. 30, 1945 in European, North Atlantic, and Pacific theatres.
Rank on discharge: Petty Officer.
Served in Royal Canadian Navy, 1953-1957, as follows:
Medical Officer, R.C.N. Hospital, Esquimalt, BC, July to Nov., 1953.
Medical Officer, H.M.C.S. "Cayuga", Nov., 1953 to Feb., 1955 - Far East (Korea).
Medical Officer, R.C.N. Hospital, Cornwallis, NS, Apr., 1955 to Sep., 1956.
Medical Officer, R.C.N. Hospital, Halifax, NS, Sep., 1956 to June, 1957.
Rank on discharge: Surgeon Lieutenant Commander.
- In 2000 Dr. Halpern was given the Human Rights Award from the American Psychiatric Association.
- In 2003 he received the Medical Society State of New York's President's Citizenship Award.
- In 2004 he received the William C. Menninger Memorial Award for Distinguished Contributions to the Science of Mental Health from the American College of Physicians.
- 'Soviet Psychiatry:An Exchange' (1989)
- Sweet Auburn: Recollections of a Prison Psychiatrist. (Frank Nesbit, 1999).
- 'The Culture of Control' (2003)
-  The New York Times, New York Doctors Barred at Scene, March 08, 1965. Retrieved on 2015-05.
- Abraham L. Halpern, Letter to the World Medical Association Archived August 16, 2007, at the Wayback Machine., April 15, 2007
- short bio of Halpern
- Hapern letter to the editory of Psychiatric News.[permanent dead link]
- abstract of article by Halpern
- Psychiatric Services: News & Notes American Psychiatric Association, June 2000. Retrieved on 2007-11-06.
- [permanent dead link] Psychiatric News, June 20, 2003. Retrieved on 2007-11-06.
-  College announces service awardees and new Masters, March, 2004. Retrieved on 2015-05-23.