1_Penny (British) Troy Abbott (American) Andrew Abbott (American/Canadian, born 1979) Tomma Abts (German, born 1967) Homero Aguilar (Colombian) Ai Weiwei (Chinese, born 1957) Josef Albers (American/German, 1888–1976) Anni Albers (American/German, 1899–1994) Carlos Albert (Spanish, born 1978) Ximo Amigo (Spanish, born 1965) Brett Amory (American, born 1975) Peter Anton (American, born 1963) Richard Anuszkiewicz (American, 1930–2020) Karel Appel (Dutch, 1921–2006) Ken Aptekar (American, born 1950)
Shusaku Arakawa (Japanese, 1936–2010) Débora Arango (Colombian, 1907–2005) Elliott Arkin (American, born 1960) Arman (American/French, 1928–2005) Jean (Hans) Arp (French/German, 1886–1966) Daniel Arsham (American, born 1980) Rex Ashlock (American, 1918–1999) Ben Ashton (British, born 1983) Emma Åvall (Swedish, born 1990) Milton Avery (American, 1885–1965) March Avery (American, born 1932) Sally Michel Avery (American, 1902–2003) Francis Bacon (British, 1909–1992) Howard Baer (American, born 1907) John Baldessari (American, 1931–2020)
