Spielhagen Robert F.
Spiers Christopher J.
Spieth Mary Ann
Spikings Richard A.
Spilhaus Fred
Spiliotopoulou-Papantoniou Vasiliki
Spilker Tom
Spinas Otmar
Spiridonov Iu. G.
SPIRIT Mission Study
Spirochkin Yuriy K.
Spitz Nadine
Spjeldnaes Nils
Spokes Lucinda J.
Sponheimer M.
Spooner Edward T. C.
Sporyshev Petr V.
Šprajc Ivan
Springer A. E.
Springer Gregory S.