Nobel
1833101October 2 1 was born in Stockholm, Sweden. My mother became a descendant of Rudbach, a famous Swedish naturalist, because she discovered lymphatic vessels. He learned the basic knowledge of engineering from his father, Emmanuel Nobel, and he was as talented as his father in invention and creation. The Nobel family left Stockholm on 1842 to reunite with their father in St. Petersburg at that time. Among his 299 invention patents, there are 129 inventions about explosives, so Nobel is called the king of explosives.