My friend asked a former professor to write a LOR on her behalf, but we just found out from a another friend, who is a research assistant in his lab, that said professor was recently terminated. I think my friend should find another professor to write a LOR, but her concern is whether or not it really matters. Will adcoms look at the letter unfavorably? Will they even know that the professor was terminated? I couldn't find any older posts on the subject. Thanks for any help you can provide.