Action Comics (vol. 1) #19 (Dec. 1939):
“Superman and the Purple Plague”
by Jerry Siegel, Joe Shuster

Action Comics (vol. 1) #19

Title: “Superman and the Purple Plague”

Medium: comic

Cover date: Dec. 1939

Publisher: DC
Written by: Jerry Siegel
Art by: Joe Shuster

8 characters in this story:

(Click links for info about character
and his/her religious practice, affiliation, etc.)
Pub. #
Superman Superman (Clark Kent) hero
CBR Scale: S Methodist / Kryptonian religion
Kryptonians; Super Friends...  DC 13,409
The Ultra-Humanite The Ultra-Humanite villain
CBR Scale: S Nazi; classical music
Secret Society of Super Villains; Time Stealers
[Superman's 1st super-villain foe]
DC 59
Professor Henry Travers supporting character scientist
 indeterminate  [developed cure for deadly Purple Plague] DC 1
Dr. Greenley
(3-panel cameo)
supporting character scientist
 indeterminate  [scientist] DC 1
unnamed librarian
(2-panel cameo)
supporting character
 indeterminate  [librarian] DC 1
unnamed nurse
(2-panel cameo)
CBR Scale: M idiosyncratic
[nurse] DC 1
De Fauvier
supporting character scientist
CBR Scale: U Catholic
[wrote key study on Purple Plague] DC 1
Louis Pasteur Louis Pasteur
scientist real/historical person
CBR Scale: S Catholic
[chemist; microbiologist] DC 24