The sincere open smile gives the feeling of the warm friendly atmosphere and improves the mood. Maybe the largest number of smiles was presented to the world by Harvey Bell. Harvey Bell is also the author of of the World Smile Day which is celebrated on the first Friday of October. But how could Harvey Bell managed to become the champion in smiling? In the beginning of 60s the unknown artist Harvey Ball was ready to carry any order out. One of these orders was to develop the logo for an insurance company. According to the demands of the company that should be a bright easy-to-remember and simple symbol that would remind the members of the stuff that it was necessary to smile at the clients while signing the contracts. Harvey Bell managed to fulfill the order within less than ten minutes. His earned income was 45 USD. This was the only money he had ever received for his work. However the company appreciated the talent of Harvey Ball and ordered 10 000 of the badges with that smile.