Who invented the equals symbol?

More Questions:

What restaurant chain was the brainchild of Atari founder Nolan Bushnell?

What game comes packaged with a small plastic hourglass and sixteen different letter cubes?

What two countries co-hosted the FIFA World Cup in men's soccer in 2002?

What color are the original Rock "Em Sock "Em Robots?

Who painted Self Portrait with Bandaged Ear?

A lock of what composer's hair was sold at one of Sotheby's Auctions?

Which US state has shoreline along the Gulf of Mexico and the Atlantic Ocean?

In which country is the Simpson Desert located?

On what day in February was the 2010 romantic comedy film "Valentine’s Day" released?

What Broadway soundtrack was the best selling album of the 1960's?

In what movie does Adam Sandler go back to school at age 27?

The Kenyan terrorists fighting for independence in the 50’s were known as who?

The Iran hostages were released in January 1981 after 444 days of captivity; what was their first stop?

What military legend was nicknamed "The Little Corporal"?

Who was the first host of "America's Got Talent"?