In 1940, with writer George Kapitan, Sahle co-created the Timely character the Black Widow, comics' first costumed, superpowered female protagonist.
[11] Other early work includes co-creating the winged superhero the Air Man in Centaur Publications' Keen Detective Funnies #23 (Aug. 1940);[10] and creating or co-creating the Timely superheroine the Silver Scorpion, in Daring Mystery Comics #7 (April 1941), for which he signed his art with the pen name Jewell, which comics historian Michael J. Vassallo believes marked a collaboration with another, unknown artist.
[14] Sahle drew some of the earliest stories featuring what would become the company's namesake character, beginning by at least Archie Comics #3 (Summer 1943).
[14] Sahle went on to create the Quality Comics teen-humor feature "Candy," starring typical small-town American girl Candace O'Connor of Hartwick, USA.
[15] Her supporting cast included her boyfriend, Ted Dawson; her rival, Cornelia Clyde; and gal-pals Tina and Trish.
[14] Crime novelist Mickey Spillane, who worked for Lloyd Jacquet's Funnies Inc. packager during the 1930s and 1940s, teamed with Sahle on a number of occasions, including on the character "Mike Danger", which Spillane described as "the original concept of Mike Hammer", the archetypal hardboiled detective of mid-20th century paperback novels.
[4] Several issues of Sahle's Candy were reprinted, in the late 1950s/early 1960s by Israel Waldman's Super Comics imprint, but her adventures have otherwise remained out of print.
[15] In the late 1980s, Eclipse Comics reprinted Sahle's 1940s aviator feature "Bald Eagle" in Air Fighters Classics #1-2 (Nov. 1987 - Dec.