Dave Wood was a professional comic-book writer who worked for DC Comics during the so-called "Silver Age" of comics. He started working on the Danger Trail book and then he moved on to different titles such as Our Army at War, World's Finest, Batman, Detective Comics (co-working with Moldoff, Sprang and Paris) and many more. He is uncredited co-creator of the villain Mr. Freeze in Batman issue 121. One of Bob Kane's many "Ghost" writers. He also co-created Animal Man, Challengers of the Unknown, as well as Sky Masters of the Space Force -- the American syndicated newspaper comic strip featuring the adventures of American astronaut.. His known pseudonym is D.W. Holtz.