The Beggarstaff Brothers were an English design duo : Wuillian Nicholson and James Pryde
According to Nicholson, the Beggarstaff pseudonym was chosen after “Pryde and I came across it one day in an old stable, on a sack of fodder”; Pryde gave a similar, though slightly different, explanation.
via Installation view of the exhibition, “The Modern Poster” | MoMA