Andrew Stacey
The contributor Andrew Stacey appears to be present as the CTAN community member loopspace.
Draw braid diagrams with PGF/TikZ
A TikZ library for drawing celtic knots
An implementation of Hobby’s algorithm for PGF/TikZ
A TikZ library for producing Penrose tilings
PGF/TikZ package for "blurred" shadows
Assemble multiple logical pages onto a physical page
A TikZ library for straight-edge and compass diagrams
Manipulate “soft paths” in PGF
Use TikZ's method of remembering a position on a page
A TikZ library for drawing tiles and tilings
Drawing TQFT diagrams with TikZ/PGF