Robert Motherwell and Henry Moore at Moore's home in Hertfordshire, England

Motherwell begins to work with the photographer Steven Sloman to document his work and studio practices for the monograph being prepared by H. H. Arnason. Sloman will visit the studio approximately every three months during the next year to photograph both old and new works. He will continue in this role well beyond the publication, serving as the primary photographer of Motherwell’s work...