Andy Wen
Ying-chien Chang has a bachelor’s degree in physics from Taiwan Normal University and a master’s degree in mathematics from Ohio University, Athens, Ohio. She worked as a junior high and high school teacher for twenty years.
After retiring from teaching she spent over ten years studying paleontology and geology. She joined many expeditions, such as digging for dinosaur fossils in Mongolia, China, and many places in the Rocky Mountains of the United States and Canada. She worked on the human...
