Misc: Which Mediterranean island once housed Napoleon?

Questions

What is the meaning of the German word Meerschaum the name given to a type of tabacco pipe?

Emperor is the largest and pott is the smallest - what?

What device demonstrates the movement of the earth and other bodies in the solar system?

What part of the body was protected by a hauberk in medieval armour?

Sport, in April 2000 who were selected as the five greatest cricketers of the 20th century?