 He was a friend of Samuel Beckett, becoming the main publisher of his prose-texts in Britain after the success of "Waiting for Godot" on the London stage in 1955–56.During the 1950s, Calder published the translated work of Anton Chekhov, Leo Tolstoy, Fyodor Dostoevsky, Goethe and Zola, including most of the work of April FitzLyon, and was the first publisher to make William S. Burroughs available in the United Kingdom.From 1963 to 1975, Calder was in partnership with Marion Boyars, and the company was known as Calder and Boyars.