What is mathaus?

It appears that "Mathaus" is not a well-known term or individual in popular culture or history. It is possible that it could be a misspelling or variation of the name "Matthaus" or "Matthäus," which is a common German given name. One famous individual with this name is Lothar Matthäus, a former German footballer and manager who is considered one of the greatest German players of all time. If you are referring to a different term or individual named "Mathaus," please provide more context or information for further assistance.