"American 20th Century" is the designation used by major institutions such as the National Gallery of Art (NGA) for anonymous and unidentified artists active in the United States during the twentieth century. The artist's personal identity, early life, and training remain undocumented, reflecting the challenges of attribution for unattributed works from this era. No specific teachers, art schools, or mentors are associated with these creators, as the label encompasses a broad range of producers whose individual biographies have not been traced.
The oeuvre attributed to "American 20th Century" spans diverse media, including photography, prints, wallpaper designs, and decorative objects, often tied to everyday American life and cultural moments. At the NGA alone, over 1,400 works are cataloged, predominantly gelatin silver prints and chromogenic prints capturing iconic figures and events. Notable examples include "Visit with Pablo" (1994, gelatin silver print), "Bob Dylan" (c. 1981, gelatin silver print), "Untitled (Woman giving the finger with birthday cake)" (May 13, 1978, Polaroid SX-70), and press photographs like “Triumphant Arthur Ashe at Wimbledon” (1975) and “Bank Robbing Trio” (April 15, 1974). Earlier pieces from the Federal Art Project (Wisconsin), such as "Rose Motif" (1937-1938), "Deer and Heart" (1937-1938), and various wallpapers, highlight involvement in New Deal-era public art initiatives.
Stylistically, these works embody the eclecticism of twentieth-century American visual culture, from candid snapshots and journalistic imagery to folk-inspired patterns and modernist experiments in glass and fabric. The legacy of "American 20th Century" lies in illuminating the contributions of overlooked makers—amateurs, commercial photographers, WPA artisans—whose output forms a vital, if anonymous, thread in the nation's artistic fabric. By aggregating these pieces, museums like the NGA preserve a collective snapshot of American creativity, underscoring how everyday artistry shaped modern identity.