THE ARTS: Which 17th century dutch artist painted a famous series of self portraits?

Questions

In Welsh place names Llan- is a common feature, what does it mean?

In which Italian city would you find the headquarters of the Pirelli company?

By what other name is the island of Lindisfarne known?

What was the name of Hitlers mountain retreat?

What university would you find in the city of Palo Alto in western California?