Title: Alfred North Whitehead.
Question: Lie algebras and hypobolic quanternions drew attention to the need for what?

Title: University of Notre Dame.
Question: What person was the Director of the Science Museum at Notre Dame in the late 19th century?

Title: Catalan language.
Question: What languages use the passive voice more than Catalan?

Title: States of Germany.
Question:
Which countries administrations was the Federal Republic of Germany previously under?