What is how to spell dewey?

There are two common ways to spell "Dewey":

1. D-e-w-e-y - This is the most common spelling and is used for the last name of the American librarian, Melvil Dewey, who developed the Dewey Decimal System for library classification.
2. D-u-i - This spelling is used for the Dewey Beach town in Delaware, United States.