Christina Lodder, honorary fellow in the History of Art at the University of York and president of the Malevich Society, has published extensively on Russian art of the early twentieth century. She has contributed enormously to western understanding of the development of Russian modernism. Marta Smolinska is a Polish art historian and critic, exhibition curator, university lecturer, full professor. She has worked as assistant professor of history of modern art at Nicolaus Copernicus University in Torun. Since 2014 she has been a professor of history of contemporary art and curatorial studies at the Magdalena Abakanowicz University of the Arts in Poznan. Post Brothers is a critical enterprise that includes Matthew Post, an enthusiast, word processor, educator, and (co)dependent curator often engaged in artist-oriented projects or occupying the secondary information surrounding cultural production.