I am not sure whether this is normal. I worked under a PhD student last year and I don't think I had any contact with prof.
After I finished my work last year, we arranged a meeting so I could present my work directly to the prof. Back then, the Prof acknowledged my work and decided to provide a reference.
Ok. Here is the problem. As you can see, I am primarily working under a PhD student, and I almost never talked to the prof directly (except during our only meeting). I think he has a good impression of me. But the problem is that the Letter of Recommendation should usually come from someone who knows you well, which isn't in my case. So the question is, is it normal for a undergraduate student involved in research, to have very little contact with the prof? Is it normal for this to happen?
My country is Canada, and I worked on a robotic research project. My role was to set up a platform for the PhD student so that he could implement his algorithm (which is the main part of the research). In fact, Phd student and I have published a paper together (offcourse, with the prof's name on it as well).