Maybe a generational thing? Not sure when you went to school, I went to a midsized state school 3 years ago and mostly referred to professors by their first or

Maybe a generational thing? Not sure when you went to school, I went to a midsized state school 3 years ago and mostly referred to professors by their first or last name. I think this is more common in CS perhaps? I don't think my physics friends did the same thing as often though.