JOHN GREEN surveys the remarkable career of screenwriter Malcolm Hulke and the essential part played by his membership of the Communist Party
The importance of optimism
WILL PODMORE is enlightened by the achievements of a 17th century scientist whose work anticipates computer programming as well as Marx’s materialism

The Best of all Possible Worlds: A Life of Leibniz in Seven Pivotal Days
Michael Kempe, Pushkin Press, £20
MICHAEL KEMPE, director of the Leibniz Archive in Hanover, has written an enthralling biography of Gottfried Wilhelm Leibniz. It is not a conventional biography. Instead Kempe presents a series of snapshots of significant days in Leibniz’s life, vivid pictures of how he lived and worked in Paris, Zellerfeld, Hanover, Berlin and Vienna.
Leibniz was one of the last representatives of a type of universal scientist, with the 17th century scientific revolution’s optimistic trust in progress, and also with the hope, dating back to the Renaissance, of being able to lay claim to all the world’s knowledge. In his amazingly productive life, Leibniz indeed made major contributions across a huge range of disciplines.
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