In the 1960s he served as principal scientist in bio-medical monitoring systems at North American Aviation Los Angeles in support of the Apollo Moon Mission. From 1967 to 1969, he held the rank of senior surgeon/commander in the U.S. Public Health Service at the National Institutes of Health, Bethesda, Maryland, in the biomedical engineering branch. Following teaching appointments in anesthesiology at UCLA and Mt. Sinai,New York, he entered the private practice of anesthesiology until retirement. After re-settling in the Charlottesville, Virginia area, he undertook to provide an alternate voice on climate change issues in the backyard of the University of Virginia, the former home of both Patrick Michaels and Michael Mann.