Dutch mathematician and leading organic philosopher of his period who done early telescopic research of the bands of Saturn. He also do revolutionary focus on video games of opportunity. He spent period in the French Academy of Sciences using the authorization of Ruler Louis XIV. He developed the pendulum clock, a clock that runs on the a swinging excess weight as its timekeeping component. His parents had been named Suzanna vehicle Baerle and Constantijn Huygens. Another popular astronomer like Huygens was Leonard Euler.