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| physical object > person > scientist | 
| scientist | ||||
| subject | fact | |||
| scientist | has greatest achievement | ![]()  | 
| has career | ![]()  | |
| is a kind of person | ![]()  | |
| person | has birth date | ![]()  | 
| physical object | has location or center of gravity | ![]()  | 
| has angular momentum | ![]()  | |
| has mass | ![]()  | |
| has velocity | ![]()  | |
| has momentum | ![]()  | |
| has temperature | ![]()  | |
| has volume | ![]()  | |
| has extent | ![]()  | |
| has material | ![]()  | 
Kinds of scientist :