In the category "Science" we currently track items of 67 persons. The most popular ones, by number of traded items, are:

Jane GoodallThomas EdisonEdward Teller
Bill GatesJ.T. ThomasJonas Salk
James WatsonLinus PaulingDenton Cooley
Steve JobsMichael DeBakeySimon Lake
Martin CooperJack KilbyAlbert Einstein
Clyde TombaughTim Berners-LeeCharles Townes
Carl SaganBill Nye 

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