Someone told me that each equation I included in the book would halve the sales. I therefore resolved not to have any equations at all.
by Stephen Hawking

Vietnam summer 2008, with high school friends

Some old highschool classmates: (clockwise from the left: Duong, An, Huy,Zung, Kien, ViBa, Tram, An’s wife)

Lausanne 07/2008

Poisson2008 conference

(repost to kill spam)

A picture with Yoshiaki Maeda in the city center

with Simone Gutt

excursion dinner on July 09, 2008