Historical clue formulations

• Salvador Dalí contemporary — 2021-03-17
• Dadaism pioneer — 2020-01-14
• Dadaist who experimented with camera-less photography — 2019-12-14
• American avant-gardist — 2013-02-26
• Early 20th-century Modernist — 2012-07-29
• Noted Dadaist — 2002-09-15
• One of Dada's daddies? — 2000-09-03
• American Dadaist — 1995-08-17
• Pioneer of Dadaism — 1995-01-22