| Alfred B. Olsen | |
| Birth Date: | June 26, 1869 |
| Birth Place: | Fort Atkinson, Wisconsin |
| Death Date: | August 8, 1960 |
| Death Place: | Loma Linda, California |
| Alma Mater: | University of Michigan |
| Occupation: | Physician, writer |
Alfred Berthier Olsen (June 26, 1869 – August 8, 1960) was an American physician, Seventh-day Adventist and vegetarian.
Olsen was born at Fort Atkinson, Wisconsin.[1] His father was Seventh-day Adventist minister Ole Andres Olsen.[2]
Olsen obtained his M.D. from University of Michigan in 1894 and his M.S. in 1896.[2] He obtained his D.P.H. from University of Cambridge in 1910. He qualified F.A.C.P., F.R.S.M., L.R.C.P. and M.R.C.S. in London.[2] From 1924, Olsen was Professor of Physiology at Battle Creek College for many years.[2] He was Professor of Physiology and Pathology at the American Medical Missionary College.[3]
Olsen was active in the early development of Seventh-day Adventist medical work and conducted lecture tours in Scotland and Wales.[1] [4] He founded the Good Health journal and was its editor during 1901–1919.[2] His brother was Mahlon Ellsworth Olsen.[2] Olsen's book School of Health (1906) promoted exercise, hygienic practices and a vegetarian diet. He opposed the consumption of dairy products, alcohol, coffee and tea.[5]
Olsen was a Fellow of the American College of Physicians and the Royal Society of Medicine.[2] He died at Loma Linda, California on August 8, 1960.[6]