High Quality Content by WIKIPEDIA articles! Willie Wei-Hock Soon (born 1966) is an astrophysicist and geoscientist at the Solar and Stellar Physics (SSP) Division of the Harvard-Smithsonian Center for Astrophysics. He is also a receiving editor for the journal New Astronomy. Soon has testified before Congress on the issue of climate change, and is known for his views that most global warming is caused by solar variation.