Pieter van Oostrum
The contributor Pieter van Oostrum appears to be present as the CTAN community member pietervo.
Print badge labels.
Big delimiters in tabular or array.
Struts for opening up tabular spacing.
Extensions to epic and the LaTeX drawing tools.
Extensive control of page headers and footers in LaTeX2ε.
Legacy headings package.
A short introduction to LaTeX, in Dutch.
Create tabular cells spanning multiple rows.