Wikidata entity: Q310771
P569 (date of birth): 1540-02-07 | P570 (date of death): 1610-12-31
| P373 | Commons category | String | Ludolf van Ceulen | ??? |
| P1299 | depicted by | ... | Q83500987 (???) | ??? |
| P1299 | depicted by | ... | Q83500994 (???) | ??? |
| P1299 | depicted by | ... | Q83500999 (???) | ??? |
| P1343 | described by source | ... | Q590208 (Allgemeine Deutsche Biographie) | Allgemeine Deutsche Biographie |
| P1343 | described by source | ... | Q602358 (Brockhaus and Efron Encyclopedic Dictionary) | Brockhaus and Efron Encyclopedic Dictionary |
| P1343 | described by source | ... | Q678259 (Nordisk familjebok) | Nordisk familjebok |
| P1343 | described by source | ... | Q51955019 (BEIC Digital Library) | BEIC Digital Library |
| P185 | doctoral student | ... | Q244152 (Willebrord Snellius) | Willebrord Snellius |
| P185 | doctoral student | ... | Q21259693 (Frans van Schooten) | Frans van Schooten |
| P108 | employer | ... | Q156598 (Leiden University) | Leiden University |
| P734 | family name | ... | Q116418864 (van Ceulen) | van Ceulen |
| P101 | field of work | ... | Q395 (mathematics) | mathematics |
| P101 | field of work | ... | Q167 (pi) | pi |
| P101 | field of work | ... | Q12100 (fencing) | fencing |
| P101 | field of work | ... | Q17278 (circle) | circle |
| P101 | field of work | ... | Q186509 (mathematical constant) | mathematical constant |
| P101 | field of work | ... | Q238231 (disk) | disk |
| P101 | field of work | ... | Q201486 (history of science) | history of science |
| P101 | field of work | ... | Q622821 (calculation) | calculation |
| P735 | given name | ... | Q21146208 (Ludolph) | Ludolph |
| P735 | given name | ... | Q507605 (Ludolf) | Ludolf |
| P31 | instance of | ... | Q5 (human) | human |
| P1412 | languages spoken, written or signed | ... | Q188 (German) | German |
| P1412 | languages spoken, written or signed | ... | Q7411 (Dutch) | Dutch |
| P6104 | maintained by WikiProject | ... | Q8487137 (WikiProject Mathematics) | WikiProject Mathematics |
| P1559 | name in native language | Monolingualtext | Ludolph van Ceulen | ??? |
| P1559 | name in native language | Monolingualtext | Ludolphus A. Collen | ??? |
| P106 | occupation | ... | Q170790 (mathematician) | mathematician |
| P106 | occupation | ... | Q1622272 (university teacher) | university teacher |
| P106 | occupation | ... | Q13381863 (fencer) | fencer |
| P19 | place of birth | ... | Q3185 (Hildesheim) | Hildesheim |
| P119 | place of burial | ... | Q1537972 (Pieterskerk) | Pieterskerk |
| P20 | place of death | ... | Q43631 (Leiden) | Leiden |
| P21 | sex or gender | ... | Q6581097 (male) | male |
| P641 | sport | ... | Q12100 (fencing) | fencing |
| P26 | spouse | ... | Q94733526 (Adriana van Ceulen) | Adriana van Ceulen |
| P937 | work location | ... | Q690 (Delft) | Delft |
| P937 | work location | ... | Q43631 (Leiden) | Leiden |
| P2381 | Academic Tree ID | 24231 |
| P6821 | Alvin ID | alvin-person:10309 |
| P651 | Biografisch Portaal van Nederland ID | 74657687 |
| P1711 | British Museum person or institution ID | 153440 |
| P5019 | Brockhaus Enzyklopädie online ID | ceulen-ludolf |
| P5019 | Brockhaus Enzyklopädie online ID | ludolf-van-ceulen |
| P1871 | CERL Thesaurus ID | cnp00157873 |
| P13049 | DDB person (GND) ID | 117692506 |
| P6706 | De Agostini ID | Ceulen,+Ludolph+van- |
| P7902 | Deutsche Biographie (GND) ID | 117692506 |
| P723 | Digitale Bibliotheek voor de Nederlandse Letteren author ID | ceul010 |
| P1802 | Early Modern Letters Online person ID | 191c9305-4989-4865-a358-aa437d1a1123 |
| P2915 | ECARTICO person ID | 12571 |
| P2163 | FAST ID | 1562047 |
| P535 | Find a Grave memorial ID | 239056581 |
| P646 | Freebase ID | /m/01_m1l |
| P227 | GND ID | 117692506 |
| P4342 | Great Norwegian Encyclopedia ID | Ludolf_van_Ceulen |
| P1741 | GTAA ID | 88920 |
| P7982 | Hrvatska enciklopedija ID | 11361 |
| P269 | IdRef ID | 195286596 |
| P213 | ISNI | 000000007987961X |
| P9964 | Kalliope-Verbund (GND) ID | 117692506 |
| P11249 | KBR person ID | 14426669 |
| P2861 | Leidse Hoogleraren ID | 1079 |
| P12975 | Lexikon der Mathematik entry ID | 6100 |
| P244 | Library of Congress authority ID | no2001021460 |
| P1563 | MacTutor biography ID | Van_Ceulen |
| P549 | Mathematics Genealogy Project ID | 125232 |
| P4955 | MR Author ID | 601722 |
| P8947 | Museo Galileo authority ID | 76826 |
| P950 | National Library of Spain SpMaBN ID (BNE v1.0) | XX5334062 |
| P1006 | Nationale Thesaurus voor Auteursnamen ID | 069409838 |
| P13627 | Niedersächsische Personen ID | 1786658348 |
| P691 | NL CR AUT ID | ntk2017966058 |
| P1207 | NUKAT ID | n2012068254 |
| P3762 | openMLOL author ID | 112841 |
| P3368 | Prabook ID | 2170634 |
| P396 | SBN author ID | BVEV022906 |
| P10480 | symogih.org ID | Actr52278 |
| P8941 | The Galileo Project ID | ceulen |
| P3365 | Treccani ID | ludolph-van-ceulen |
| P9621 | Treccani's Enciclopedia della Matematica ID | ludolph-van-ceulen |
| P214 | VIAF cluster ID | 27855179 |
| P10832 | WorldCat Entities ID | E39PBJyGQVvy6MHKhqJBHmXKh3 |
| P13591 | Yale LUX ID | person/540dee65-7356-44ad-b4d1-453401eadc62 |
| P1556 | zbMATH author ID | van-ceulen.ludolph |
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