I have a BS and a PhD in Math (about 20 grad math courses) and I've published about 15 math papers, but I've never been a professor. I don't know what modular

I have a BS and a PhD in Math (about 20 grad math courses) and I've published about 15 math papers, but I've never been a professor. I don't know what modular forms are. (I specialized in numerical analysis.) I also bet that my PhD advisor who has published around 80 papers does not know what they are.