Hantaro Nagaoka (1903)

b

 Nagaoka is a Japanese physicist who developed the "Saturnian" System in 1904. this system contributed to how energy within an atom is radiating continuously in a matter that is best described as the rings around Saturn (hints the name). With that in time the electron would slowly loose energy spiraling into the nucleolus. This discovery contributed to helping people understand how an atom consist of massively charged positive center, which is surrounded by many orbiting electrons in which is compared to the movement of Saturn's rings, this give chemist and people a general idea on what it could be compared and easily recognized as when we speak on its movements.