Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:person
|
| gptkbp:child |
gptkb:John_T._Ryan_Jr.
|
| gptkbp:dateOfBirth |
April 28, 1884
|
| gptkbp:dateOfDeath |
August 15, 1963
|
| gptkbp:founder |
gptkb:Mine_Safety_Appliances_Company
|
| https://www.w3.org/2000/01/rdf-schema#label |
John T. Ryan Sr.
|
| gptkbp:knownFor |
gptkb:Mine_Safety_Appliances_Company
|
| gptkbp:nationality |
gptkb:American
|
| gptkbp:occupation |
businessman
mining engineer |
| gptkbp:spouse |
gptkb:Mary_Ryan
|
| gptkbp:bfsParent |
gptkb:MSA_Safety
gptkb:Mine_Safety_Appliances gptkb:MSA_Safety_Incorporated |
| gptkbp:bfsLayer |
7
|