What is the difference between a medical scientist and a pathologist?

What is the difference between a research scientist and a staff scientist?

• e.g. here's an example of a staff scientist: https://www.linkedin.com/pub/michael-montague/4b/4a8/27b

• Answer:

  As far as I understand it*, staff scientist is defined as a permanent research worker at a research institute or a research university who has a PhD but who isn't a research group leader. (Typically at places where the title professor is reserved for (tenured) group leaders.) It is often best described as a permanent postdoc (may lead their own and some students' and postdocs' research within the group's declared topics but usually in a subfield outside of the leader's expertise, with more or less autonomy, usually can't author grant proposals independently) or high-level technician (uses a highly specialized skill for which more education was required than for a typical technician, such as solving crystal structures, to help research of other people in the group, department or whole institution). Research scientist is used for a wider variety of positions, including those in research and development in industry. Sometimes it even includes research professors, research group leaders. But the terms seem to vary between countries/areas and institutions/companies so whenever it's important you should find out what exactly it means at that institution. *Note that the system I am most familiar with is in Israel ( http://wws.weizmann.ac.il/Staff_Scientists/ ), not the US.