Leo Nowak
Leo Nowak is credited as penciller on 26 issues, inker on 16 issues and cover artist on 2 issues in grailworth's catalog, 27 issues of them across 4 series we value. Characters first seen in issues they wrote or drew include Scarecrow, Robotman, The Guardian and Dan the Dyna-Mite.
Characters they introduced
Every issue
Star Spangled Comics (1941) 4 issues
World's Finest Comics (1941) 2 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.