| Born | 1906 |
| Died | 2004 |
| July 20, 2023 | Edited by Tom Morris | merge authors |
| September 30, 2020 | Edited by MARC Bot | add ISNI |
| March 31, 2017 | Edited by MARC Bot | add VIAF and wikidata ID |
| October 23, 2008 | Edited by ImportBot | Found a matching University of Toronto MARC record |
| September 24, 2008 | Created by ImportBot | Imported from Talis record |