The names of literary giants and great philosophers spawn adjectives, ‘Shakespearian’, ‘Marxist’, and ‘Platonic’, for instance. Few scientific celebrities are so honoured, although ‘Darwinian’ has entered the lexicon.

Clivia miniata may have foliage like Agapanthus but it is frost tender and must be kept protected during winter.

Richard Collins on a pioneering mind almost lost to history.