Who is credited with the invention of the Phillips screw design?

More Questions:

What slang term for the stomach is the highest-scoring ailment in the game "Operation"?

What automaker produced a luxury model named "Imperial" in 1926?

The Christmas carol "Jingle Bells" was first published in what year?

What Verdi opera includes the popular "La donna e mobile"?

Which author wrote "The Duncton Chronicles"?

What is the capital of Puerto Rico?

What is the capital of the Republic of Nauru?

What year was the World Wide Web launched in?

What does a heliologist study?

What inventor caused an earthquake at his New York home with one of his inventions?

What is James Dewar most famous for inventing?

Allan "Rocky" Lane provided the voice of what 1960's sitcom title character?

In what year did the San Francisco 49ers become the first five-time Super Bowl champs?

Which of Henry VIII's wives was married four times herself?

In which sea would you find the island of Bornholm?