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##Line art portraits of logicians for the Open Logic Text

©2016 Matthew Leadbeater

The illustrations are provided in two versions, inside a circle and above a line, and in two formats, PDF and PNG. They all have a transparent background so can be placed over a colored background. The images have no copyright information embedded. They are ©2016 and licensed under a Creative Commons BY-NC license. This means you may use them provided you give credit to Matthew Leadbeater. Use for commercial purposes is not covered by this license and requires further permission.

The illustrations are available in the original Adobe Illustrator format.

To include these illustrations in OLP-derived work, clone this repository into assests/portraits, i.e., navigate to the assets subdirectory and clone this repository (or your fork of it) there.

$ cd OpenLogic/assets
$ git clone

(or if you use SSH of course).

You can then use, e.g, \includegraphics{turing-circle.pdf} to insert one of the graphics into your document.

Creative Commons License

Open Logic Portraits by Matthew Leadbeater is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. Permissions beyond the scope of this license may be available at


Line art portraits of logicians for the Open Logic Project




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