Statements (12)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:person
|
| gptkbp:birthYear |
1816
|
| gptkbp:deathYear |
1897
|
| gptkbp:field |
engineering
mineralogy |
| https://www.w3.org/2000/01/rdf-schema#label |
John L. Hayes
|
| gptkbp:nationality |
gptkb:American
|
| gptkbp:notableWork |
The Theory and Practice of the Oblique Drawing of Crystals
|
| gptkbp:occupation |
gptkb:engineer
author |
| gptkbp:bfsParent |
gptkb:George_Crook_Hayes
|
| gptkbp:bfsLayer |
7
|