In the category "Space" we currently track items of 369 persons. The most popular ones, by number of traded items, are:

Buzz AldrinJohn GlennFred Haise
Neil ArmstrongGene KranzAlan Bean
Sally RideGene CernanEdgar Mitchell
Alan ShepardScott CarpenterCharlie Duke
Jim IrwinWally SchirraFrank Borman
Al WordenBob CrippenChris Kraft
James LovellGordon Cooper 

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    R    S    T    V    W    Y    Z