Date of Birth: 
About Mark Derr
- Mark Derr is an American dog scholar, author and journalist noted for his books on dogs, as well as the social and environmental developments of Florida.
- His articles have appeared in The Atlantic Monthly, Natural History, Smithsonian, and The New York Times.
- Born in Baltimore, Maryland, Derr was educated at Johns Hopkins.
- He currently lives with his wife Gina in Miami Beach.
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