What is the logo of a person in a circle?

the logo of Mercedes-Benz. Source of Mercedes-Benz logo: Daimler applied for a patent for the three-pointed star logo in 199, but Mercedes-Benz belongs to a round badge. Daimler's logo comes from Daimler's letter to his wife. He thinks that the star he painted on the house at home will bring him good luck. This three-pointed star also symbolizes the development of Mercedes-Benz in three directions: land, sea and air. The German automobile brand is commendable for its perfect technical level, excellent quality standards, innovative ability and a series of classic coupe styles. Internationally, the brand is usually referred to as Mercedes for short.