Similarly, Bald drew Timely's single issue of The Witness (Sept. 1948), starring a character co-created by writer-editor Stan Lee, but the cover for which was drawn by Charles Nicholas.

Bald, with an unidentified writer, co-created the Timely superhero Sun Girl, who starred in a three-issue series cover-dated August to December 1948.

[8] From 1947 to 1949, he did advertising art for clients including Air France, Hertz, and Xerox, and illustrations for pulp magazines published by Street & Smith and Martin Goodman.

[10] Bald and writer Elliot Caplin produced the daily strip Dr. Kildare,[13] based on the television show of that name.

[12] Comics historian Maurice Horn said, "Bald, who modeled the two principals on the actors who played them on television (Richard Chamberlain and Raymond Massey), drew the strip with breezy, self-assured elegance.

[11] With the end of the Dr. Kildare strip in 1984,[12][13] Bald retired[11] — although Guinness World Records in 2017 declared him the world's oldest comic-book artist and the oldest artist to illustrate a comic-book cover, both at age 96,[14] when he came out of retirement to illustrate a variant cover for Marvel's Contest of Champions #2 (Jan.

[18][19] His papers, including more than 2,900 pieces of original artwork for the Judd Saxon and Dr. Kildare comic strips, reside at Syracuse University Libraries Special Collections Research Center.