Sir Isaac Newton was a strange cat
Sir Isaac Newton wrote more about theology than about science and math combined. He was deeply religious and spent a considerable amount of time studying the Bible, writing about his interpretations of scripture, and predicting the end of the world, which he speculated would not occur before 2060. Newton was a member of Parliament, but he only spoke once during his entire term... to ask for a window to be closed because he was cold. Among other things, Newton invented the cat door