Tas Walker B.Sc. (Hons.) [geology], B. Eng. (Hons.), Ph.D.

Dr. Walker曾從事於電力站的設計和操作，以及煤炭層的地理評估；目前全職服務於澳洲Creation Ministries International機構，從事研究工作及擔任CMI的講員。

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