Radziemski Leon J.
Rai Awadesh K.
Raicu Valerica
Rajwa Bartlomiej
Rastelli Simone
Recon Exploration
Rettberg Thomas
Rice Steven F.
Richardson Grant S
Rivoallan Annie
Roberts Ryan
Robins George A
Robinson Joseph Paul
Rodel Gunther
Roedel Guenther
Rogasch Klaus
Rogers Clare E.
Rogers Michael D. G.
Roll Yuriy
Roorda Robert Dixon