Robert George Dean (died 1989) was an American author of detective fiction.
He also worked as a journalist, and as an ambulance driver during World War II.
The last few books Dean wrote, under the pseudonym George Griswold, are spy novels that still have a certain fan following.
A character known as Mr. Groode, a shadowy British spymaster, figures in all four novels, but his prominence in the plot varies widely from book to book.
Tony Hunter series other He also wrote four books under the pseudonym George Griswold: