The term '''crackpot''' is used perjoratively against a person, who writes or speaks in an authoritative fashion about a particular subject, often in [[science]] or [[mathematics]], but is alleged to have false or even ludicrous beliefs. Such a person may also be termed a [[crank]]. | The term '''crackpot''' is used perjoratively against a person, who writes or speaks in an authoritative fashion about a particular subject, often in [[science]] or [[mathematics]], but is alleged to have false or even ludicrous beliefs. Such a person may also be termed a [[crank]]. |