There's an unfortunate tendency to undervalue the work of PhD students and assign excessive credit to the senior professor. This is especially bad with journalists (one even called me a "worker bee"). The title "Research Assistant" shouldn't be taken literally.
Had a lot of fun recently pair-programming a plugin with Tej to automate some of the boilerplate for his coq-record-update library. Check out his CoqPL talk on the library he built:
https://t.co/MkXdfHwQ2h