At my university (undergrad) we had two professors in the same department who were married and shared the same last name. I had a course they taught together an

At my university (undergrad) we had two professors in the same department who were married and shared the same last name. I had a course they taught together and they told us to call them Mrs. Dr. ___ and Mr. Dr. ___. I thought it was an elegant solution and I appreciated being told what they preferred to be called.