Ukhorskiy Aleksandr Y.
Ullmann Wolfgang
Ulses C.
Undzenkov B. A.
Unsworth Martyn
Unsworth Martyn J.
Uozumi Toshihiko
Urabe Taku
Uralov Arkadiy M.
Urban Frank E.
Urbanovich V. D.
Uren Norm
Urrutia-F J.
Uruski Christopher
Ushakov I. I.
Uslu Burak
Ussler William
Usui Norihisa
Vadasz G.
Vadon H.