Muriel Siebert was an ahmayzing person who was the first woman to hold a seat on the New York Stock Exchange!
She died of cancer at age 80, and never had children or even got married. That's so sad!
But don't worry, she wasn't alone! Her beloved chihuahua Monster Girl kept her company.
What an awesome name for a little dog!
Monster is now one heck of a wealthy pup cause her mama left her $100,000 in her will!
The cutie pooch is under the care of