Here is my list of top 10 theoretical physicists alive:
1.Stephen Hawking
S. Hawking
2.Steven Weinberg
S. Weinberg
3.Sir Roger Penrose
R. Penrose
4.Edward Witten
E. Witten
5.Peter Higgs
P. Higgs
6.Murray Gell-man
M. Gellman
7.Gerard ‘t Hooft
G. 't Hooft
8.Martinus Veltman
M. Veltman
9.Makoto Kobayashi
M. Kobayashi
10.Toshihide Maskawa
T. Maskawa
