What happens in a society when the gap between rich and poor gets too wide? What responsibilities do those at the top owe those at the bottom? Are the principles of the French Revolution, of ‘Liberté, Egalité and Fraternité’, still useful today? We’ll investigate all these questions in our feverish French Revolution issue. Harvey looks at the life of Antoine Lavoisier, the ‘father of modern chemistry’. Polly makes rather fetching wigs out of newspaper. Aquila explores the ghosts of Versailles and Calculata meets Sophie Germain, revolutionary mathematician, physicist and philosopher.