https://en.m.wikipedia.org/wiki/Principal_investigator https://en.m.wikipedia.org/wiki/Principal_investigator For anyone who doesn’t know what a PI is (I didn’

https://en.m.wikipedia.org/wiki/Principal_investigator https://en.m.wikipedia.org/wiki/Principal_investigator For anyone who doesn’t know what a PI is (I didn’t when I first got a job at a university).