1980 Gymnasium, College Blaucapel Utrecht
1984 Kandidaats natuurkunde, bijvak sterrenkunde RUUtrecht
1986 Propedeuse Portugees, RUUtrecht
1989 Doctoraal Filosofie van de natuurkunde, Hoofdscriptie: Semantische en Syntactische Benaderingen van Wetenschappelijke Theorieen, Kleine scriptie: Het Anthropisch Principe, Bijvakken: Wiskunde (logica en aanschouwelijke meetkunde) en Geschiedenis van de natuurwetenschappen.
1990-2011 Scholing Voortgezet Onderwijs, Middle Years Programme, International Bacchelaureate.
2009-heden onderzoek mozaieken.
May 13 2017 we celebrate the opening of our new location Burgwal 20 Den Burg. Here you find artwork composed with beachcombed materials by Maria Roelofsen and my design studio for making new pattern compositions based upon the Islamic design tradition. For further information also look at www.museumgalerierat.nl
A new floral design with worksheet. Click on the picture to find more information about the Khatai Flower.
March 24th 2017
In the Tropenmuseum I delivered a workshop on the Islamic design tradition of geometric patterns in Dutch, further information here
New poem in Dutch:
May 6th 2016
A new subject is being developed and information will be available on this website: floral designs. I started today with the lotus flower. Click on the lotus below to visit the right tab.
24th of March 2016
Download my puzzle-/colour plates at this link of the Tropenmuseum Junior
I wrote a short story in Dutch about a child who draws spiral figures at the beach
Click on the picture below and check the two slide shows on the 2015 results.
here is the same workshop with translations into turkish
A method to construct a near-regular heptagon now published on this site
6 July 2014. The drawing cmpetition was won by José Bradamonte.
A group of about 20 students finished the lesson strand on Persian style mosaics in the beginning of may 2014. You can find some impressions of their activities here
My article 'Learning Geometry by Designing Persian Mosaics' is published in issue nr. 100 (March 2014) of the Canadian journal 'For the Learning of Mathematics'.
At the flm-website you can find an Abstract.
Click on the picture below to find a series of patterns with octagons
The workshop held on Texel was attended by 13 people in total. Among them: a furniture maker, a designer of lamps, quilters, painters and teachers. See the photo-impression of the workshop
This article (text and photo Pip Barnard) is about my fascination for Islamic geometrical ornamentation and how it can be used in (mathematics) education.
An article about the artwork by Maria Roelofsen and myself was published in the Dutch newspaper 'Reformatorisch Dagblad' on 30 december 2013. (Text Janneke van Reenen-Hak, Photo's Sjaak Verboom)
In this magazine on dutch Scientific research an article was published about my work. All those who have a subscription of 'Quest' received this magazine. Four pages with beautiful illustrations!
At the Design Center of Istanbul a six-days congres was organized with lectures and workshops delivered by experts in this field. Incredibly inspiring!
May 2013. A three day conference for mathematicians and artists on geometric Islamic patterns was held. Lots of inspiring workshops and lectures were delivered.
Workshop for students, Institute for Studies of the Middle East, Leiden University, 27 march 2013
During the conference for Maths teachers held december 18th 2012 at the Groningen University I gave a lecture about using islamic mosaics to teach geometry at all levels in secundary schools.
In the review for Dutch mathematics teachers called 'Euclides' the article 'Designing Persian Mosaics in the Classroom. Students in the centre of a medieval design tradition' appeared (for the article in Dutch click here).