Robert P.
Meyer

UW Madison (Geotree)


Sigmund I.
Hammer

UW Madison


Clarence S.
Clay

UW Madison










E. Ralph
Lapwood

Cambridge (MathTree)


Brian L.N.
Kennett

ANU (MathTree)


Alistair J.
Harding

UCSD (GeograTree)


Graham M.
Kent

University of Nevada, Reno

Daniel S.
Brothers

UCSD
(Options)

Daniel BrothersX