David G. Simpson
My blogs
Gender | Male |
---|---|
Industry | Science |
Occupation | Physicist |
Location | Laurel, Maryland, United States |
Interests | Esperanto, languages, American history, running, amateur radio |
Gender | Male |
---|---|
Industry | Science |
Occupation | Physicist |
Location | Laurel, Maryland, United States |
Interests | Esperanto, languages, American history, running, amateur radio |