He was also the founder of the Division of Arthritis and Rheumatic Diseases at the Oregon Health & Science University, where a chair of medicine is named in his honor.
After army service in World War II, he returned to the Mayo Clinic (1946–48) where he trained in rheumatology under future Nobel laureate Phillip Hench.
[5] In late 1944, Dr. Rosenbaum, who had suffered from burns, malaria, and hepatitis, was transferred back to the United States and then hospitalized for six months.
Rosenbaum moved to Portland, Oregon in January, 1948 where he joined Dr. Isadore Brill to practice internal medicine and rheumatology.
In 1963, Rosenbaum began to collaborate with Dr. Stanley Jacob in research on medical uses of dimethyl sulfoxide (DMSO).
[10] The success of the book and movie led Rosenbaum to embark on a second career as a writer and speaker.
He suffered from Parkinson's disease in his final years and his illness was chronicled in a book written by his eldest son.
[13] His granddaughter is Dr. Lisa Rosenbaum, a cardiologist and host of the Not Otherwise Specified podcast[14] for the New England Journal of Medicine.