Lem Mason’s eleven-year-old nephew, Sydney, doesn’t want to go to a ballgame on Sunday afternoon. He’d rather show his Uncle Lem the contraption that Professor Leyton left in the attic, which has allowed the boy to experience the lives of his ancestors and his descendants!
But you seem to have forgotten one little detail—the second big dial, the one marked ‘Ahead’!

Variants

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  1. “Ancestral Thread” by Emil Petaja, in Amazing, May 1947.
    2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . written by Emil Petaja