I would imagine that belief in the god of the Christians would be a matter of ones birth place and upbringing. Below is a listing of scientists from non-European/American areas and their belief systems. As you can see, not all scientists are religious and not all are Christian
.
Dr.C.V.Raman Nobel prize in Physics - Hindu
Vikrama Sarabhai Nuclear Physics Hindu
Homi Bhabha Nuclear Physics - Hindu
Dr.J.C.Bose Biologist Hindu
Sathyendranath Bose Physics - Hindu
Dr.P.C.Ray Medicine Hindu
Birbal Sahani Several different spheres Hindu
Chen Jingrun, mathematician - Buddhist
David Ho, HIV/AIDS researcher - Atheist
Charles Kao, pioneer of optical fiber - Atheist
Yuan T. Lee, Nobel Laureate (Chemistry) - Taoist
Liu Hui, mathematician - Taoist
Liu Yong-chuan, methodologist - Taoist
Qian Sanqiang, nuclear physicist - Atheist
Qin Jiushao, mathematician Buddhist
Su Buqing, mathematician - Taoist
Tsien Hsue-shen, rocket scientist Atheist
An Wang, computer scientist Atheist
Zhang Heng, astronomer, mathematician, artist and literature scholar - Taoist
Zhu Shijie, mathematician - Atheist
Zu Chongzhi, mathematician and astronomer - Taoist
Li Zhengdao, Nobel Laureate (Physics) - Atheist
Yang Zhenning, Nobel Laureate (Physics) - Atheist
Daniel Chee Tsui, Nobel Laureate (Physics) Atheist
Wu Jianxiong, physicist - Atheist
Andrew Yao, physicist, computer scientist - Atheist
Zhang Yuzhe, astronomer - Atheist
I. M. Pei, architect - Christian
Li Shizhen, physician and pharmacologist - Buddhist