Volume 1, #516. "Time And Time Again!"
DC Comics. February, 1981.
Writer(s): Marv Wolfman
Artist(s): Curt Swan, Frank Chiaramonte, Gene D'Angelo
Notes:
Backup story "The Atom in The Clueless Capers Of Chronos!" by Bob Rozakis, Alex Saviuk, Vince Colletta, Jerry Serpe
Appearance: Vandal Savage, Lex Luthor
Cover Art: Rich Buckler, Dick Giordano