Why does Dr. John Minkowski go by the email name "vorpal"? It's his forehand! John has been practicing his forehand rail, and his backhand serve for each of the past 29 years.... and he's still working at them! John Minkowski is an opthalmologist who has increasingly specialized in eye trauma, partially due to his experiences on the squash court. John is also an excellent squash player who lives and plays squash in the Baltimore Maryland, area USA.