The Earl of Pawtucket

"A tall stooped Englishman was coming down the plank. Thomas Macan Brade would have been easily spotted in any crowd. His mustache was patterned after that of the Earl of Pawtucket, and to make identification even simpler, he wore a white pith helmet."

Earl Derr Biggers The House Without A Key 1925

The House Without A Key is the first Charlie Chan mystery novel.