During the Washington years, 1969 to 1978, Protetch represented
Andy Warhol and other Pop artists; gave
Vito Acconci his first one-person show; and was showing
Conceptual artists such as
Sol LeWitt,
Joseph Kosuth,
On Kawara, Robert Berry, and Doug Hubler as early as 1970. Kosuth and Art Language Press Group also had one-person shows during those years. Protetch presented early performance art by
Dan Graham and Dennis Oppenheim.
Donald Judd,
Sol LeWitt,
Dan Flavin,
Joel Shapiro,
Jo Baer,
Lawrence Weiner, and
Carl Andre exhibited. The Gallery mounted several political shows, including the group show 'Political Art' which featured
Dorothea Rockburne,
Daniel Buren,
Sol LeWitt,
Carl Andre, and
Robert Morris. This show was unique in dealing with the Marxist and political/economic involvements of Minimal and
Conceptual art. Post-2000s, Protetch represented established and emerging artists, including David Reed,
Betty Woodman,
Siah Armajani,
Byron Kim,
Oliver Herring,
Iñigo Manglano-Ovalle,
Marjetica Potrč, Tobias Putrih, Mike Cloud, Hai Bo, Ren Jian, Tim Hyde, Chen Qiulin, Siebren Versteeg, Ann Pibal, Gao Shiqiang, Saul Chernick, Zach Harris, Sun Xun, Keita Sugiura, Katayoun Vaziri, Tun Win Aung & Wah Nu,
the Estate of Richard DeVore, and
the Estate of Scott Burton. ==Expositions==