We should like to acknowledge and take this opportunity to thank all the historic and postmodern pen inventors and many exceptional pen people as well as our contemporary pen friends and institutions for their assistance in making this work possible
- Mikolaj Kopernik (Nicolaus Copernicus)
- Nicholas Bion
- Samuel Pepys
- Frederick Fölsch
- Joseph Bramah
- John Scheffer
- Petrache Poenaru
- Josiah Mason
- William Joseph Gillott
- William Mitchell
- James Stephen Perry
- George Safford Parker
- Thomas de la Rue Carl Hornemann
- Edward & Mabie Todd
- William Penn Alonzo T. Cross
- Duncan MacKinnon
- Thomas Hearson Lewis Edson Waterman
- A. A. Waterman George Safford Parker
- Frank Jarvis
- Tommy Garner
- Walter Sheaffer August Eberstein Alfred Nehemias
- Claus Johannes Voss
- Z. Ziembicki & Co Kraków
- Ryosuke Namiki
- Masao Wada
- Armando Simoni
- Dante Del Vecchio Luigi Poli
Also:
- John Sorowka
- Eric Wilson
- James Boddy
- The ONOTO Pen Company Ltd
- Chris Bennett
- TMB Art Metal
- Conway Stewart
- Teresa Stella-Sawicka
- Basia Hamilton
- Basia Korzeniowska
- Ramona Kabigting
- Richard Balon
- Dr Robin Souter
- Jerzy & Tomasz Chrabąszcz
- Tomasz Lissowski
- Isadora, Thea, Ivo & Louie
- IPN Warsaw
- Edward Lloyd Photography
- Polish Heritage Flight Duxford
- The Writing Equipment Society
- The Society of Authors
- F.J. Blissett & Co Ltd