I am sure it can be different everywhere, but at least my advisor in grad school was great about making sure the students were ahead of him in the list. The stu

I am sure it can be different everywhere, but at least my advisor in grad school was great about making sure the students were ahead of him in the list. The student(s) who were primarily responsible were first and then he would be on it after. Out of curiosity I checked and he has 161 publications on Google Scholar. Of the publications with multiple authors he is first author on only 7 of them. And then 7 are single author.