On 16 July 2014, a major retrospective of Kazimir Malevich opened at the Tate Modern in London. But the woman responsible for the cardinal redating of Malevich ’s canvases and a radical reassessment of the artist’s oeuvre, Elena Basner, was not at the show. Instead of taking her rightful place among the other distinguished guests and curators, Elena Basner was spending her sixth month under arres...