Complex sentence: Abram Hoffer (November 11,1917--May 27,2009) was a Canadian biochemist, M.D. and psychiatrist known for his theory that nutrition and vitamins may be effective treatments for schizophrenia.
Split into simpler sentences: Abram Hoffer (November 11,1917--May 27,2009) was a Canadian biochemist, M.D. and psychiatrist. Dr Hoffer is best known for his theory that nutrition and vitamins may be effective treatments for schizophrenia.