李四光(一八八九年至一九七一年)是我国著名的地质科学家。他创建的地质力学第一次把运动和辩证法带进了地质学。我国第二个五年计划期间建设起来的大庆油田,就是根据他独创的石油地质理论进行勘探而发现的。李四光一生为中国地质科学的发展作出了卓越的贡献。在坎坷曲折的科学道路上,李四光向往光明,追求真理,勇于探索,顽强战斗。在艰难困苦中,他既敢于藐视外国权威学者的嘲讽,又不被国民党的高官厚禄所诱惑,表现出科学家的高尚品格和情操。他将毕生精力献给了祖国的科学事业,受到人民的敬仰和赞颂。
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