John Augustus Larson invented what in 1921?

More Questions:

Which river is often viewed as Russia's national river?

What are Roy W. Allen and Frank Wright famous for?

What three letter word means "the front of a ship"?

Christopher Cockerell is best known for invented what?

What year was Canadian author Margaret Atwood born in?

What was the Greek equivalent of the Roman god Neptune?

In which Tennessee Williams" play do you encounter the character "Big Daddy"?

What gender are whiptail lizards?

Which planet was discovered in 1846?

Which former member of Genesis had a hit with "One More Night"?

What was the first rap single to hit number one on Billboard's Hot 100?

What actor plays neurosurgeon Dr. Derek Shepherd in the TV show "Grey’s Anatomy"?

What year did Princess Diana divorce Prince Charles?

Which amendment to the US Constitution deals with the right to bear arms?

In which European country did the direct action group The Red Brigade originate?