| Hans mark biography | German-American physicist, Secretary of the Air Force , NASA deputy administrator Born: Birth Place: Mannheim. |
| Herman mark | Herman Francis Mark (born Hermann Franz Mark; May 3, , Vienna – April 6, , Austin, Texas) was an Austrian-American chemist regarded for his contributions to the development of polymer science. |
| Hans Michael Mark (June 17, – December 18, ) was a German-born American government official who served as Secretary of the Air Force and as a Deputy Administrator of NASA. | |
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