What do all these famous people have in common besides being famous?

Question

1) Eddie Gaedel
2) Michel Petrucciani
3) Thomas Quasthoff
4) Doug Herland
5) Robert Reich
6) Halil Mutlu
7) Willie Shoemaker
8) Henri de Toulouse-Lautrec
9) Joe C.
10) Verne Troyer

Answer 1

They were / are all unusually short or "little people."