FLAGS
Every national flag, filterable by what you can actually see: colour traditions, stripe patterns, animals, stars and crescents, suns, weapons, buildings and crosses. Search by country, or browse by feature to work out what you're looking at. Built for picture rounds, where recognising a design matters more than recalling a name.
ARTISTS
A hundred and sixty artists across twenty-five movements, from the Proto-Renaissance to the present. Every movement has an account of its principal features, and every artist a biography plus a guide to recognising their work: brushwork, palette, composition and recurring motifs. Links to each artist's full catalogue are included.
PHILOSOPHERS
Seventy-seven philosophers across twenty-five schools, from Platonism to post-structuralism, arranged chronologically by period. Each school carries a two-hundred-word account of its central claims and preoccupations; each philosopher a short biography. Filter by school to see who belonged where, or search for an individual thinker directly.