John A. Hiller was mentioned in an article as a practicing attorney in Little Rock (Pulaski County), Arkansas, during World War II. No other information is known about him.
Sources: Judith Kilpatrick, “(EXTRA)Ordinary Men: African-American Lawyers and Civil Rights in Arkansas Before 1950,” 53 Ark. Law Rev. 299, 348 n354, 375 n592 (2000);