Comic Title: Superman #226
Publisher: DC (National Periodical Publications, Inc.)
Address: 909 Third Avenue, New York, NY
Cover Date: May 1970
On Sale Date: March 19, 1970 Copyright Date March 19, 1970
Source: Library of Congress, Periodicals 1970

Newsstand Date March 19, 1970
Source: Comic Reader, #77

Frequency: Monthly, with the exception of March and September
Cover Price: $0.15
Page Count: 32
Editor: Mort Weisinger

Title: "Uncle Sam's Prize Prisoner"
Pages: 13

Feature(s):
Superman (of Earth-1)

Writer: Bob Haney
Penciller: Curt Swan
Inker: Joe Giella

Feature Character(s)

• Superman (last appearance in Superman #226; next appearance in Superman's Girl Friend Lois Lane #101)

Villain(s)

• Foreign agents (Szabo and Tanya named; no further appearances)

Other Character(s)

• Dr. Carl Cathcart (a reclusive scientist; dies in this story; no further appearances)
• Ed and Dave (federal agents; no further appearances)
• A window washer (no further appearances)

Synopsis:
While being interviewed by Clark Kent, Dr. Cathcart, a scientist, has a heart attack. Before dying he passes on the secret to a defense formula on which he was working. Clark delivers the formula to the government, but they decide he is too vulnerable and place him in protective custody.

With federal agents guarding him around the clock, Clark is unable to respond to emergencies as Superman. On a couple of occasions he is able to trick his guards in order to make a secret rescue. However, this plan backfires when he slips his guard and is caught by foreign agents.

The enemy spies take Clark back to their country and question him about the formula. Clark tricks them using a phony formula which he uses to escape. When he returns home, he is branded a traitor because the government doesn't believe he could have escaped without revealing the formula. Only when Cathcart's formula is tested and found to be useless is Clark cleared of treason.