Comic Title: All-American Comics #19
Publisher: DC (All-American Comics, Inc.)
Address: 480 Lexington Avenue, New York, NY
Cover Date: October 1940
Approx. On Sale Date: August 20, 1940 Copyright Date August 21, 1940
Source: Library of Congress, Periodicals 1940
Until 1958 DC did not report actual on sale dates to the copyright office
The publication dates listed in LoC records are NOT release dates.

Frequency: Monthly
Cover Price: $0.10
Page Count: 64
Editor: Maxwell Charles Gaines

Title: "Introducing the Mighty Atom"
Pages: 6

Feature(s):
Atom (Al Pratt of Earth-2)

Writer: Bill O'Connor
Penciller: Ben Flinton
Inker: Leonard Sansone

Reprinted In:
Secret Origins of the Super DC Heroes HC (1976)
Secret Origins of the Super DC Heroes SC (1976)
JSA All Stars Archives Vol. 1 HC (2007)

Feature Character(s)

• Atom (next appearance in All-American Comics #20)

Supporting Character(s)

• Mary James (next appearance in All-American Comics #20)
• Joe Morgan (first appearance; last appearance in All-Star Squadron Annual #1; next appearance in All-American Comics #20)

Villain(s)

• A gang of kidnappers and a hold-up man (no further appearances)

Other Character(s)

• A police chief (no further appearances)

Comments:
Atom does not appear in costume in this story.

Synopsis:
Al Pratt is humiliated by his college classmates because of his short stature. When a hold-up man mugs him in front of his girlfriend Mary James, she dumps him.

Depressed, Al meets a former boxing trainer Joe Morgan who is homeless. Al helps out Joe in exchange for training. After a year of exercise and weight training Al becomes a pint-sized powerhouse.

Al decides to pay a visit to his former girlfriend, only to witness a gang of kidnappers abduct her. Al barges in and knocks out the entire gang. Mary never sees here rescuer, because she is blindfolded. Al telephones police and leaves a calling card using the name the Atom.