Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:person
|
| gptkbp:awardReceived |
gptkb:Perkin_Medal
|
| gptkbp:birthYear |
1872
|
| gptkbp:deathYear |
1962
|
| gptkbp:field |
chemical engineering
mineral processing |
| gptkbp:knownFor |
Dorr classifier
Dorr thickener |
| gptkbp:nationality |
gptkb:American
|
| gptkbp:occupation |
gptkb:mining_engineer
gptkb:inventor |
| gptkbp:bfsParent |
gptkb:Rheta_Childe_Dorr
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
John Pixley Dorr
|