In chemistry at least, there's a lot of PhD's and they might take until 28-30 to get out of school particularly if p-docs are involved. 23 is like a 2nd-year g

In chemistry at least, there's a lot of PhD's and they might take until 28-30 to get out of school particularly if p-docs are involved. 23 is like a 2nd-year grad student or non-chemist software specialist in this universe (or, occasionally, both).