On the history of scientific objectivity, from the early 19th century to the present. In the early 1800s, scientific objectivity became a goal. Between 1830 and 1930, scienticic atlases helped define "mechanical objectivity" at the time—performing science according to a certain set of procedures without variation. But the fate of scientific objectivity kept changing. Twentieth-century scientists questioned mechanical objectivity and demanded more individual input and interpretation of results. With that shift came a new view of the "right" scientific self, one now explicitly making use of intuition, expertise, and the unconscious.