Who developed the first modern set of headphones?

More Questions:

In what decade was Montreal Canadien great Guy Lafleur born?

Apple's CEO Steve Jobs was known for wearing what color turtleneck?

What do the bar code letters UPC stand for?

What was the original brand of cereal pitched by Tony the Tiger?

What sport did hall-of-famer Mickey Mantle play?

Mr. Big is the largest chocolate bar produced by what British confectioner?

The Mario villain "Wario', made his first appearance in which Nintendo game?

What is the number of thieves that Alibaba had?

With what body part is otology involved?

What do fried spiders taste like?

What kind of bean produces the Asian-style bean sprouts?

What was Buddy Rich's real first name?

Who played the lead female in the 1956 film "Meet Me in Las Vegas"?

What magazine introduced a paper doll named Betsy in 1951?

What country hosted the first modern Olympic games in 1896?