Constantly in the public eye, Pope Francis is instantly recognisable across the globe, and his likeness adorns t-shirts, mugs, calendars, bookmarks, medals and jewellery, among other things. Too ...

If Henri Bergson were alive, or even remembered, they would get more. In his heyday—in the 15 years or so before the first world war—Bergson was the most famous man in the world, Emily Herring, a ...