No, the paper analyses the count/frequency of profession-related surnames in a database, so it's not really dealing with that. But in day-to-day I'm sure that'

No, the paper analyses the count/frequency of profession-related surnames in a database, so it's not really dealing with that. But in day-to-day I'm sure that's true; and why so many people who could not tell the name of their currentdentist, accountant, etc., still know the name of their doctor Dr. Medicine 10 years later. It just sticks as an anecdote.