In the category "Celebrities" we currently track items of 780 persons. The most popular ones, by number of traded items, are:

Terry PratchettPhilip PullmanDavid Attenborough
Neil GaimanJohn LeStephen King
David WalliamsBernard CornwellStephen Fry
Margaret AtwoodLee ChildMargaret Thatcher
Ian RankinRobert HarrisRanulph Fiennes
Joe HillMichael PalinJames Herbert
Billy ConnollyIan McEwan 

You can find all people that we're currently tracking items for in the alphabetical index:
A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    Y    

Recent Additions:

20/07/2021: Elmore Leonard with 21 items. Richard Matheson with 21 items.
16/07/2021: Alexandra Bracken with 28 items.
13/07/2021: Harper Lee with 21 items.