Who developed the light bulb while working in his Menlo Park laboratory?

More Questions:

What is the length-to-width ratio of a regulation pool table?

According to the Dewey Decimal System, library books numbered in the 500s are part of what category?

What three letter word stands for a small opening and a clothing company?

How many points are E and O each worth in a Scrabble game?

Who wrote the novel "The Moneychangers"?

What is the subtitle of J.R.R. Tolkien's "The Hobbit"?

When was the Halley's Comet periodicity discovered?

Who played the mutating fly in the 1986 film "The Fly"?

Nick Nolte and Eddie Murphy starred in which 1982 film?

Who became the 17th president, after Abraham Lincoln was assassinated?

Which battle saw the final defeat of Napoleon?

What carries sensations from the tongue to the brain?

Whose "Hicktown" country music singer first hit single debuted on the radio in 2005?

What decade did Gene Autry star in the Western musical "Melody Ranch"?

According to most sources, where is the world’s tallest unclimbed unclimable mountain?