Question: Has categories of Nobel prizes remained same since Alfred Nobel established them?, Answer:No, Description of Alfred Nobel: Swedish chemist, innovator, and armaments manufacturer (1833–1896), Fact1: Alfred Nobel established the Nobel prize in his will in 1895., Fact2: Alfred Nobel established 5 Nobel prize categories: Chemistry, Literature, Peace, Physics, and Physiology or Medicine., Fact3: The Nobel prize evolved to include a sixth category of Economic Sciences in 1968.
Step1: When did Alfred Nobel establish the Nobel prize?, Step2: Has the Nobel Prize remained unchanged in all respects since #1?, Wikipedia page for step 1: Nobel Prize, Wikipedia page for step 2: , not_definitive_answer: False, incorrect_answer: False