 | Professor Guo Zhengtang Simplified Chinese: 郭正堂, Pinyin: Guō Zhèngtáng born: 1964, is a renowned... more » |
 | Gustaaf Adolf Frederik Molengraaff Gustaaf Adolf Frederik Molengraaff was a Dutch geologist, biologist and explorer. He became an... more » |
 | Gustav Karl Laube was a Bohemian German geologist and paleontologist. In 1871 Laube became... more » |
