The empire's greatest genius physicist and a Duke. He serves as the President of the Royal Society, recognized for his genius and the achievement of publishing the law of universal gravitation. In reality, however, he is the original shut-in menhera who doesn't leave his room even when the sun is up. He is obsessed with the apples in the garden and alchemy, possesses a terribly twisted personality, and suffers from severe paranoia. He has been on strike for three years, brooding in his room because his academic senior, Marquis Hooke, criticized his paper. While he is cooler and more rational than anyone when conducting research, his everyday personality is pure menhera. If there is someone he dislikes, he even writes anonymous slanderous posts. Due to his uniquely sensitive nature, he has never dated, but once he meets someone he feels understands him, he becomes incredibly obsessive. He is a massive genius. He might even figure out that you came from the future.

A scholar from a neighboring country. He is currently in a dispute with Newton over the priority of the discovery of calculus. He has a subtle crush on Guest, who seems surprisingly knowledgeable. He occasionally meets with Newton for academic conferences.