Skip to main content

Pythagorus QED: CAL 19-2007

An image of CAL_19-2007_1_201205_mfj22_dc1.jpg

Terms of use

These images are provided for non-commercial use under a Creative Commons License (BY-NC-ND). To license a high resolution version, please contact our image library who will discuss fees, terms and waivers.

Download this image

Creative commons explained - what it means, how you can use our's and other people's content.

Object information

Current Location: In storage


Pythagorus QED


Calligrapher: Kerr, Lin



Artist's statement: "I have graphically illustrated this lengthy proof by using a mosaic with two complementary colours, which then combine visually and numerically to create the hypotenuse square." Gouache and Dutch metal on Roma Fabriano paper, artist's hand-made rubber stamped letters.

Legal notes

Given by Lin Kerr

Measurements and weight

Height: 500 mm
Width: 760 mm

Relative size of this object

76 m50 m What does this represent?

Relative size of this object is displayed using code inspired by Good Form and Spectacle's work on the British Museum's Waddeson Bequest website and their dimension drawer. They chose a tennis ball to represent a universally sized object, from which you could envisage the size of an object.

Acquisition and important dates

Method of acquisition: Given by Kerr, Lin


Production date: AD 2003

Materials used in production

Dutch metal

Components of the work

Support composed of paper ( Roma Fabriano)

References and bibliographic entries

Identification numbers

Accession number: CAL 19-2007
Primary reference Number: 167372
Old object number: Calligraphy/Kerr/1-2
Stable URI

Audit data

Created: Saturday 6 August 2011 Updated: Tuesday 25 February 2020 Last processed: Thursday 1 April 2021

Associated departments & institutions

Owner or interested party: The Fitzwilliam Museum
Associated department: Manuscripts and Printed Books

Citation for print

This record can be cited in the Harvard Bibliographic style using the text below:

The Fitzwilliam Museum (2023) "Pythagorus QED" Web page available at: Accessed: 2023-06-04 15:49:54

Citation for Wikipedia

To cite this record on Wikipedia you can use this code snippet:

{{cite web|url= |title=Pythagorus QED |author=The Fitzwilliam Museum|accessdate=2023-06-04 15:49:54|publisher=The University of Cambridge}}

API call for this record

To call these data via our API (remember this needs to be authenticated) you can use this code snippet:

Bootstrap HTML code for reuse

To use this as a simple code embed, copy this string:

<div class="text-center">
    <figure class="figure">
        <img src=""
        alt="Pythagorus QED"
        class="img-fluid" />
        <figcaption class="figure-caption text-info">Pythagorus QED</figcaption>

Please enter your name as you would like to be addressed
Please enter your email address
The object accession number - this is prefilled
Please enter your query with as much detail as possible

More objects and works of art you might like

Sign up for updates

Updates about future exhibitions and displays, family activities, virtual events & news. You'll be the first to know...