Anthony Hill obituary

Artist, mathematician and leading theoretician of the British constructionist movementAnthony Hill, who has died aged 90, was a singular, but not solitary, figure in the art world. An artist under two names, and a mathematician and writer under more than one alias, he was a member of the constructionist group of geometrical abstract artists that emerged in Britain in the mid-1950s, and was its leading theoretician.Founded by Victor Pasmore, the group was inspired by modernist movements in prewar