Adam Smith was found to have an odd personality.

One of the interesting facts about Adam Smith was characterized as having a humorous personality by several of his contemporaries and biographers. Smith was frequently the victim of humorous occurrences because of his extreme forgetfulness. Smith once had to be rescued after falling into a tanning pit while leading British MP Charles Townshend on a tour of a tanning facility. There are even claims that he allegedly put bread and butter in a teapot. In a mocking manner, he likewise drank the mixture and pronounced it to be the worst cup of tea he had ever tasted. Another such event occurred when Smith was so preoccupied with his thoughts that he left the house in his pajamas and ended up 15 miles outside of town.

The economist's unusual behaviors were mentioned by a few of his coworkers. He is rumored to walk and speak in an odd manner. Interestingly, he was also notorious for talking to himself, which may have come about as a result of Smith's indulgence in making up imaginary pals as a youngster.

Smith was also known to experience periods of making-up illnesses. It's a funny truth about Adam Smith that some biographers speculate that he could have also been a hypochondriac who made up illnesses to meet his flimsy symptoms and gave himself diagnoses for ailments he didn't have.