Wikidata entity: Q97067554 P569 (date of birth): 1903-01-01 | P570 (date of death): 1984-01-01
| P184 | doctoral advisor | ... | Q883402 (Leonard Ornstein) | Leonard Ornstein |
| P69 | educated at | ... | Q221653 (Utrecht University) | Utrecht University |
| P735 | given name | ... | Q17497662 (Adrianus) | Adrianus |
| P31 | instance of | ... | Q5 (human) | human |
| P6104 | maintained by WikiProject | ... | Q8487137 (WikiProject Mathematics) | WikiProject Mathematics |
| P106 | occupation | ... | Q11063 (astronomer) | astronomer |
| P21 | sex or gender | ... | Q6581097 (male) | male |
| P5731 | Angelicum ID | 92258 |
| P8880 | AstroGen ID | 291 |
| P723 | Digitale Bibliotheek voor de Nederlandse Letteren author ID | wand008 |
| P227 | GND ID | 173191770 |
| P213 | ISNI | 0000000359186551 |
| P11249 | KBR person ID | 13915238 |
| P549 | Mathematics Genealogy Project ID | 112192 |
| P1006 | Nationale Thesaurus voor Auteursnamen ID | 068492944 |
| P12458 | Parsifal cluster ID | 8293 |
| P214 | VIAF cluster ID | 215381899 |
| P10832 | WorldCat Entities ID | E39PBJvxxtqwxvkRfVmR9fMpT3 |
| P1556 | zbMATH author ID | wanders.a-j-m |
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