Home Brain Teasers Brain Teaser – September 30Brain Teasers Brain Teaser – September 30By Medical News Bulletin - September 30, 2018 Dr. Johnson shows his nurse a picture of a gentleman and tells her: I have neither brothers nor sisters, but this man’s father is the son of my father. Who is the man in the picture?See the answer Answer: It is Dr. Johnson’s son. Facebook CommentsHow much did this article help your understanding of this health condition? 0 = Not at all, 5 = Very helpful 0 1 2 3 4 5 RELATED ARTICLESMORE FROM AUTHORBrain Teaser – January 28Brain Teaser – January 25Brain Teaser – January 21Connect With Us* Indicates RequiredYour Name Email Address* Be the first to know about the latest medical and health research. Subscribe to our weekly newsletter.