Quirinus Harder
Quirinus Johan Harder (13 October 1801, in Rotterdam – 21 October 1880, in Vlissingen) was a Dutch architect best known for having designed a large number of lighthouses. He worked as a structural engineer for the Loodswezen, the Dutch organization overseeing all maritime pilots. Harder's lighthouses were made of cast iron, a new material at the time, which allowed for segmented fabrication and construction.
Also recorded as Quirinus Johan Harder · Q. Harder
Quirinus Harder

Jcb · CC BY-SA 3.0 nl
- Born
- 1801 · Rotterdam.
- Died
- 1880 · Vlissingen.
- Nationality
- Kingdom of the Netherlands
- Occupation
- architect · civil engineer
- Honours
- Knight of the Order of the Oak Crown
- Languages
- Dutch
VALÉORINE Encyclopedia
VALÉORINE documentary reading
Documentary summary
Quirinus Johan Harder (13 October 1801, in Rotterdam – 21 October 1880, in Vlissingen) was a Dutch architect best known for having designed a large number of lighthouses. He worked as a structural engineer for the Loodswezen, the Dutch organization overseeing all maritime pilots. Harder's lighthouses were made of cast iron, a new material at the time, which allowed for segmented fabrication and construction.
Admitted source layer · organised and presented by VALÉORINE
Reference Check
Propose documentary evidence for Quirinus Harder. A contribution is never written directly as fact: identity, source, rights and evidence gates still decide.
Sign in to contribute
World of VALÉORINE
Documentary connections
Only confirmed graph relationships appear here. Images are shown only when their identity and reuse rights both pass the documentary gate.
Documentary evidence
Documentary basis
Authority files
wikidata · Q983346 · wikipedia · Quirinus Harder
In this article
List of Harder's lighthouses
List of Harder's lighthouses
• Eierland Lighthouse (Texel, 1864) • Nieuwe Sluis (1867) • Scheveningen Lighthouse (1875) • Short lighthouse of Westkapelle (1875) • Lange Jaap (Den Helder, 1877-1878) • Lage vuurtoren van IJmuiden (1878) • Hoge vuurtoren van IJmuiden (1878) • Bornrif (Ameland, 1880-1881) • Den Oever Lighthouse (1884) • Stavoren Lighthouse (1884) • Vuurduin (Vlieland, 1909)
Identity
Identity
Quirinus Harder is recorded as having received Knight of the Order of the Oak Crown.

Kaap Oosterend / IJzeren Kaap - Oosterend, Texel
Jcb

Kaap Oosterend / IJzeren Kaap - Oosterend, Texel
Jcb
Life and career
Dated record
Life and career
The full dated record · 2 entries
1801
Quirinus Harder was born in 1801 at Rotterdam.
1880
Quirinus Harder died in 1880 at Vlissingen.
Places
Named by the record
Places
Only places the record itself states, plotted where the house gazetteer settles their coordinates. Nothing is inferred from a name or a nationality.
Rotterdam.
Birth place
Vlissingen.
Death place
Notes from the source article
Cited by Wikipedia
Notes from the source article
These works are cited by the source article, in its own numbering. They are recorded as its citations, not as sources VALÉORINE has verified.
- 1.Stadsarchief Rotterdam: Doopregisters etc.: geboren 13 oktober 1801, gedoopt 18 oktober
- 2.Gegevens Wiewaswie; geraadpleegd 2 november 2025)
- 3.Redactie. Benoemingen. Rotterdamsche Courant. 1854-01-07.
References
Citations
References
Each reference names the institution holding it, so a reader may go to the document itself.
reference work
Secondary witnessreference work
Secondary witness
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 17 August 2026.
Elsewhere in Design
11,558 published records in this field, each with its sources named.
- Qingyun MaDesigner
- Quatremère de QuincyDesigner
- Quentin HughesDesigner
- Quinlan TerryDesigner
- R S WilshereDesigner
- R. A. LewcockDesigner
- R. F. GrafDesigner
- R. Fielding DoddDesigner
Best supported in this field
For owners
Own a work by Quirinus Harder?
A specialist will read what you send and tell you what the house can establish, what it cannot, and whether the object is suited to sale. There is no charge and no obligation. The object stays with you throughout; nothing is shipped to us unless it is arranged in writing beforehand.