Vital Statistics at Time of Disappearance
Details of Disappearance
Zheng and his wife, Xiang Sun, went missing while traveling to visit one of their daughters in Iowa. They never arrived.
Zheng movesd from China to Iowa City in 1990, to study maize genetics after receiving a scholarship from the University of Iowa.
His wife joined him in 1991.
Zheng received his Ph.D. from the University of Iowa in 1996 and received an offer from the University of Missouri-Columbia to conduct maize research as a post-doctorate student. He moved to Columbia, MO in 1997.
If you have any information concerning this case, please contact:
Missouri State Highway Patrol
Missouri State Highway Patrol Namus