Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:person
|
| gptkbp:birthYear |
1838
|
| gptkbp:deathYear |
1912
|
| gptkbp:employer |
gptkb:Western_Union
|
| gptkbp:field |
telegraphy
|
| gptkbp:knownFor |
gptkb:stock_ticker
gptkb:ticker_tape ticker tape machine |
| gptkbp:nationality |
gptkb:American
|
| gptkbp:notableFor |
invention of the stock ticker
|
| gptkbp:occupation |
gptkb:businessman
gptkb:inventor |
| gptkbp:bfsParent |
gptkb:ADT_Inc.
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
Edward A. Calahan
|