Many thanks to the QuantLib contributors:

Dirk Eddelbuettel - Debian maintainer
Christopher Baus - inspiration for custom iterators
Thomas Becker - inspiration for custom iterators
David Binderman
Toyin Akin
James Battle
Matteo Gallivanoni
Maxim Sokolov - examples
Gilbert Peffer
Peter Schmitteckert
Bernd Johannes Wuebben