Us through the years:

May, 1991: John and I "climed" the Great Wall of China

After Lynn spent a month doing air pollution field work at the Yungang Grottoes Buddhist cave temples, John joined her and we embarked on a 2 month Trip along the Silk Road.

• For more of our trip in China see: A Trip along the Silk Road
• Protecting the Yungang Grottoes from Air Polluition Damage
• John finished his thesis Parallel Hierarchical N-Body Methods and received his Ph.D. from Caltech.